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Finding the Fourth Proportional to 6,654.13, 9,182.78 and 3,669.82

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Solution

The fourth proportional to 6,654.13, 9,182.78 and 3,669.82 is: 5,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.13 : 9,182.78 = 3,669.82 : x
  2. Step 2: Convert to fraction form
    6,654.13/9,182.78 = 3,669.82/x
  3. Step 3: Cross multiply
    6,654.13x = 9,182.78 × 3,669.82
  4. Step 4: Simplify right side
    6,654.13x = 33,699,149.70
  5. Step 5: Solve for x
    x = 33,699,149.70/6,654.13
  6. Step 6: Final answer
    x = 5,064.40

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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.