Home / 8,727.38-13,083.13-3,179.46

Finding the Fourth Proportional to 8,727.38, 13,083.13 and 3,179.46

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Solution

The fourth proportional to 8,727.38, 13,083.13 and 3,179.46 is: 4,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.38 : 13,083.13 = 3,179.46 : x
  2. Step 2: Convert to fraction form
    8,727.38/13,083.13 = 3,179.46/x
  3. Step 3: Cross multiply
    8,727.38x = 13,083.13 × 3,179.46
  4. Step 4: Simplify right side
    8,727.38x = 41,597,250.07
  5. Step 5: Solve for x
    x = 41,597,250.07/8,727.38
  6. Step 6: Final answer
    x = 4,766.29

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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.