The phrase "a mix of four" is correct and usable in written English.
It can be used when referring to a combination or blend of four different elements, items, or categories.
Example: "The recipe calls for a mix of four different spices to enhance the flavor of the dish."
Alternatives: "a combination of four" or "a blend of four".
A mix of four famous shoe styles — loafer, ballet slipper, gladiator and Mary Jane — the punky metallic tassel-front flat is as imaginative and otherwordly as the fairyland-inspired clothes they came with.
Less successful were grilled octopus and shrimp with cannellini beans, a dish overpowered by salt; and zucchini blossoms, filled with a mix of four cheeses, dipped in batter and fried, were more sodden than crisp.
Experimental results of the separation of bovine serum albumin (BSA) and of a mix of four proteins demonstrate a significant improvement in the HF5 separation performance, in terms of efficiency, resolution, and run-to-run reproducibility compared to what has been reported in the literature.
Nathan throws a mix of four pitches.
The award-winning musicians find they always are in demand; word of their talent spread quickly, and on any given day, they can have a mix of four to six gigs and auditions.
They throw in a mix of four films they've created over the last four years and live drawing via the Tagtool app to make each show unique, incorporating the setting and audience into the story.
The properties are slated to be a mix of four- to five-bedroom homes on lots of 10 hectares, or 25 acres, and two-bedroom properties on four hectares.
Some people had a mix of two or all three different forms of support.
The spray contains a mix of six bacteriophages, otherwise harmless viruses that destroy L. monocytogenes.
The remaining seven — a mix of one- and two-bedroom villas — are on sale for $600,000 to $2 million.
A mix of two sizes of leopard-print fur were a subtle play on glamour.
