The phrase "a portion of four" is correct and usable in written English.
It can be used when referring to a specific part or segment that is one-fourth of a whole or a group of four items.
Example: "In the recipe, you will need a portion of four cups of flour to achieve the desired consistency."
Alternatives: "one-fourth" or "a quarter of".
A portion of one painting near the former altar faded to abstraction during the rainy season.
The sliders, a portion of two, were topped with crispy onion rings and arrived with a side of creamy coleslaw.
We had the all-beef Boston dogs, a portion of two that had been steamed in beer, topped with pickle relish and served on a soft potato roll.
Each hard drive might contain a portion of one or more users' profile information, wall posts, photos and videos, as well as innumerable other digital traces.
In the majority of the orchids, a portion of one of the three stigma lobes forms the rostellum, a flap of tissue that projects down in front of the anther separating the stigma and the anther.
Someone who has been running four or five times a week should try the minimalist shoes for only a portion of one of their runs until they adjust to the change, Dr. Bryant said.
Those restorers used stucco to cover a portion of two multiple-winged angel mosaics on the east side of the ceiling as well as two angel paintings on the west side, and then applied oval metal lids to each.
The private reasons involve an impulse to describe a portion of one's experience in language that has a ring of truth, to see one's actions given meaning and form.
For example, there are mixtures of chromosomes (mosaics), such as a 45,X and 46,XX chromosomal complement or a 45,X and 47,XXX chromosomal complement, and chromosomal translocations, in which a portion of one chromosome is transferred to another chromosome.
While the news organization had said that records from "a full two-month period" had been taken, Mr. Cole said that the seizure covered only "a portion" of two calendar months.
