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Finding the Fourth Proportional to 6,327.92, 8,732.00 and 3,639.00

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Solution

The fourth proportional to 6,327.92, 8,732.00 and 3,639.00 is: 5,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.92 : 8,732.00 = 3,639.00 : x
  2. Step 2: Convert to fraction form
    6,327.92/8,732.00 = 3,639.00/x
  3. Step 3: Cross multiply
    6,327.92x = 8,732.00 × 3,639.00
  4. Step 4: Simplify right side
    6,327.92x = 31,775,724.35
  5. Step 5: Solve for x
    x = 31,775,724.35/6,327.92
  6. Step 6: Final answer
    x = 5,021.52

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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.