Home / 8,467.20-12,691.08-5,339.52

Finding the Fourth Proportional to 8,467.20, 12,691.08 and 5,339.52

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Solution

The fourth proportional to 8,467.20, 12,691.08 and 5,339.52 is: 8,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.20 : 12,691.08 = 5,339.52 : x
  2. Step 2: Convert to fraction form
    8,467.20/12,691.08 = 5,339.52/x
  3. Step 3: Cross multiply
    8,467.20x = 12,691.08 × 5,339.52
  4. Step 4: Simplify right side
    8,467.20x = 67,764,275.48
  5. Step 5: Solve for x
    x = 67,764,275.48/8,467.20
  6. Step 6: Final answer
    x = 8,003.15

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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.