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Finding the Fourth Proportional to 8,654.49, 12,948.03 and 6,580.50

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Solution

The fourth proportional to 8,654.49, 12,948.03 and 6,580.50 is: 9,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.49 : 12,948.03 = 6,580.50 : x
  2. Step 2: Convert to fraction form
    8,654.49/12,948.03 = 6,580.50/x
  3. Step 3: Cross multiply
    8,654.49x = 12,948.03 × 6,580.50
  4. Step 4: Simplify right side
    8,654.49x = 85,204,511.42
  5. Step 5: Solve for x
    x = 85,204,511.42/8,654.49
  6. Step 6: Final answer
    x = 9,845.12

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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.