Home / 8,468.08-11,685.46-4,691.12

Finding the Fourth Proportional to 8,468.08, 11,685.46 and 4,691.12

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Solution

The fourth proportional to 8,468.08, 11,685.46 and 4,691.12 is: 6,473.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.08 : 11,685.46 = 4,691.12 : x
  2. Step 2: Convert to fraction form
    8,468.08/11,685.46 = 4,691.12/x
  3. Step 3: Cross multiply
    8,468.08x = 11,685.46 × 4,691.12
  4. Step 4: Simplify right side
    8,468.08x = 54,817,895.12
  5. Step 5: Solve for x
    x = 54,817,895.12/8,468.08
  6. Step 6: Final answer
    x = 6,473.47

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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.