Home / 8,387.16-12,584.76-5,937.72

Finding the Fourth Proportional to 8,387.16, 12,584.76 and 5,937.72

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Solution

The fourth proportional to 8,387.16, 12,584.76 and 5,937.72 is: 8,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.16 : 12,584.76 = 5,937.72 : x
  2. Step 2: Convert to fraction form
    8,387.16/12,584.76 = 5,937.72/x
  3. Step 3: Cross multiply
    8,387.16x = 12,584.76 × 5,937.72
  4. Step 4: Simplify right side
    8,387.16x = 74,724,781.15
  5. Step 5: Solve for x
    x = 74,724,781.15/8,387.16
  6. Step 6: Final answer
    x = 8,909.43

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1.5x scale

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.