Home / 8,872.38-13,314.49-3,678.26

Finding the Fourth Proportional to 8,872.38, 13,314.49 and 3,678.26

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Solution

The fourth proportional to 8,872.38, 13,314.49 and 3,678.26 is: 5,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.38 : 13,314.49 = 3,678.26 : x
  2. Step 2: Convert to fraction form
    8,872.38/13,314.49 = 3,678.26/x
  3. Step 3: Cross multiply
    8,872.38x = 13,314.49 × 3,678.26
  4. Step 4: Simplify right side
    8,872.38x = 48,974,100.91
  5. Step 5: Solve for x
    x = 48,974,100.91/8,872.38
  6. Step 6: Final answer
    x = 5,519.84

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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.