Home / 8,979.49-13,469.61-2,654.38

Finding the Fourth Proportional to 8,979.49, 13,469.61 and 2,654.38

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Solution

The fourth proportional to 8,979.49, 13,469.61 and 2,654.38 is: 3,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.49 : 13,469.61 = 2,654.38 : x
  2. Step 2: Convert to fraction form
    8,979.49/13,469.61 = 2,654.38/x
  3. Step 3: Cross multiply
    8,979.49x = 13,469.61 × 2,654.38
  4. Step 4: Simplify right side
    8,979.49x = 35,753,475.11
  5. Step 5: Solve for x
    x = 35,753,475.11/8,979.49
  6. Step 6: Final answer
    x = 3,981.68

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1.5x scale

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.