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Finding the Fourth Proportional to 6,691.62, 10,038.66 and 2,248.86

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Solution

The fourth proportional to 6,691.62, 10,038.66 and 2,248.86 is: 3,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.62 : 10,038.66 = 2,248.86 : x
  2. Step 2: Convert to fraction form
    6,691.62/10,038.66 = 2,248.86/x
  3. Step 3: Cross multiply
    6,691.62x = 10,038.66 × 2,248.86
  4. Step 4: Simplify right side
    6,691.62x = 22,575,540.93
  5. Step 5: Solve for x
    x = 22,575,540.93/6,691.62
  6. Step 6: Final answer
    x = 3,373.70

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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.