The first fraction is between 27 and 28, closer to 28. The second fraction is between 3 and 4, closer to 4. Compatible numbers in division are numbers that can be divided mentally. 28 divided by 4 is 7. The quotient will be around 7.
If it is it means that triangle ZYV is similar triangle XWV ( they are the same shape) so what must be true is that measure <Z = measure < X , m < y = m < W .