Home / 8,937.46-12,332.82-5,160.97

Finding the Fourth Proportional to 8,937.46, 12,332.82 and 5,160.97

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Solution

The fourth proportional to 8,937.46, 12,332.82 and 5,160.97 is: 7,121.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.46 : 12,332.82 = 5,160.97 : x
  2. Step 2: Convert to fraction form
    8,937.46/12,332.82 = 5,160.97/x
  3. Step 3: Cross multiply
    8,937.46x = 12,332.82 × 5,160.97
  4. Step 4: Simplify right side
    8,937.46x = 63,649,314.04
  5. Step 5: Solve for x
    x = 63,649,314.04/8,937.46
  6. Step 6: Final answer
    x = 7,121.63

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1.5x scale

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.