Home / 8,517.62-11,753.51-6,280.71

Finding the Fourth Proportional to 8,517.62, 11,753.51 and 6,280.71

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Solution

The fourth proportional to 8,517.62, 11,753.51 and 6,280.71 is: 8,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.62 : 11,753.51 = 6,280.71 : x
  2. Step 2: Convert to fraction form
    8,517.62/11,753.51 = 6,280.71/x
  3. Step 3: Cross multiply
    8,517.62x = 11,753.51 × 6,280.71
  4. Step 4: Simplify right side
    8,517.62x = 73,820,312.31
  5. Step 5: Solve for x
    x = 73,820,312.31/8,517.62
  6. Step 6: Final answer
    x = 8,666.77

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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.