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Finding the Fourth Proportional to 4,463.80, 6,695.76 and 1,691.76

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Solution

The fourth proportional to 4,463.80, 6,695.76 and 1,691.76 is: 2,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,463.80 : 6,695.76 = 1,691.76 : x
  2. Step 2: Convert to fraction form
    4,463.80/6,695.76 = 1,691.76/x
  3. Step 3: Cross multiply
    4,463.80x = 6,695.76 × 1,691.76
  4. Step 4: Simplify right side
    4,463.80x = 11,327,618.94
  5. Step 5: Solve for x
    x = 11,327,618.94/4,463.80
  6. Step 6: Final answer
    x = 2,537.66

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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.