Home / 7,540.29-11,313.27-3,157.38

Finding the Fourth Proportional to 7,540.29, 11,313.27 and 3,157.38

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Solution

The fourth proportional to 7,540.29, 11,313.27 and 3,157.38 is: 4,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.29 : 11,313.27 = 3,157.38 : x
  2. Step 2: Convert to fraction form
    7,540.29/11,313.27 = 3,157.38/x
  3. Step 3: Cross multiply
    7,540.29x = 11,313.27 × 3,157.38
  4. Step 4: Simplify right side
    7,540.29x = 35,720,292.43
  5. Step 5: Solve for x
    x = 35,720,292.43/7,540.29
  6. Step 6: Final answer
    x = 4,737.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.