If you were to invest 6000 and wanted 9440 at what rate would that be?

9,440 - 6,000 = 3,440

3,440 is what percent of 6,000?
3,440 =( x/100)6,000
3,440 = 60x divide by 60 to both sides
x = 57.3333...
x = 57 1/3

The rate will be 57 1/3 percent.