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Finding the Fourth Proportional to 6,324.62, 8,732.04 and 4,089.92

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Solution

The fourth proportional to 6,324.62, 8,732.04 and 4,089.92 is: 5,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.62 : 8,732.04 = 4,089.92 : x
  2. Step 2: Convert to fraction form
    6,324.62/8,732.04 = 4,089.92/x
  3. Step 3: Cross multiply
    6,324.62x = 8,732.04 × 4,089.92
  4. Step 4: Simplify right side
    6,324.62x = 35,713,345.04
  5. Step 5: Solve for x
    x = 35,713,345.04/6,324.62
  6. Step 6: Final answer
    x = 5,646.72

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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.