Home / 9,110.28-12,571.94-5,131.43

Finding the Fourth Proportional to 9,110.28, 12,571.94 and 5,131.43

Calculator

Solution

The fourth proportional to 9,110.28, 12,571.94 and 5,131.43 is: 7,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.28 : 12,571.94 = 5,131.43 : x
  2. Step 2: Convert to fraction form
    9,110.28/12,571.94 = 5,131.43/x
  3. Step 3: Cross multiply
    9,110.28x = 12,571.94 × 5,131.43
  4. Step 4: Simplify right side
    9,110.28x = 64,511,967.21
  5. Step 5: Solve for x
    x = 64,511,967.21/9,110.28
  6. Step 6: Final answer
    x = 7,081.23

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.