Home / 5,418.38-8,127.57-1,522.95

Finding the Fourth Proportional to 5,418.38, 8,127.57 and 1,522.95

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Solution

The fourth proportional to 5,418.38, 8,127.57 and 1,522.95 is: 2,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.38 : 8,127.57 = 1,522.95 : x
  2. Step 2: Convert to fraction form
    5,418.38/8,127.57 = 1,522.95/x
  3. Step 3: Cross multiply
    5,418.38x = 8,127.57 × 1,522.95
  4. Step 4: Simplify right side
    5,418.38x = 12,377,882.73
  5. Step 5: Solve for x
    x = 12,377,882.73/5,418.38
  6. Step 6: Final answer
    x = 2,284.43

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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.