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Finding the Fourth Proportional to 8,887.59, 13,339.59 and 4,508.12

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Solution

The fourth proportional to 8,887.59, 13,339.59 and 4,508.12 is: 6,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.59 : 13,339.59 = 4,508.12 : x
  2. Step 2: Convert to fraction form
    8,887.59/13,339.59 = 4,508.12/x
  3. Step 3: Cross multiply
    8,887.59x = 13,339.59 × 4,508.12
  4. Step 4: Simplify right side
    8,887.59x = 60,136,472.47
  5. Step 5: Solve for x
    x = 60,136,472.47/8,887.59
  6. Step 6: Final answer
    x = 6,766.34

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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.