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Finding the Fourth Proportional to 6,487.65, 8,951.11 and 3,654.03

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Solution

The fourth proportional to 6,487.65, 8,951.11 and 3,654.03 is: 5,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.65 : 8,951.11 = 3,654.03 : x
  2. Step 2: Convert to fraction form
    6,487.65/8,951.11 = 3,654.03/x
  3. Step 3: Cross multiply
    6,487.65x = 8,951.11 × 3,654.03
  4. Step 4: Simplify right side
    6,487.65x = 32,707,628.58
  5. Step 5: Solve for x
    x = 32,707,628.58/6,487.65
  6. Step 6: Final answer
    x = 5,041.52

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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.