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Finding the Fourth Proportional to 8,767.36, 13,141.92 and 3,836.08

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Solution

The fourth proportional to 8,767.36, 13,141.92 and 3,836.08 is: 5,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.36 : 13,141.92 = 3,836.08 : x
  2. Step 2: Convert to fraction form
    8,767.36/13,141.92 = 3,836.08/x
  3. Step 3: Cross multiply
    8,767.36x = 13,141.92 × 3,836.08
  4. Step 4: Simplify right side
    8,767.36x = 50,413,456.47
  5. Step 5: Solve for x
    x = 50,413,456.47/8,767.36
  6. Step 6: Final answer
    x = 5,750.13

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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.