Home / 5,414.44-8,121.98-1,519.16

Finding the Fourth Proportional to 5,414.44, 8,121.98 and 1,519.16

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Solution

The fourth proportional to 5,414.44, 8,121.98 and 1,519.16 is: 2,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.44 : 8,121.98 = 1,519.16 : x
  2. Step 2: Convert to fraction form
    5,414.44/8,121.98 = 1,519.16/x
  3. Step 3: Cross multiply
    5,414.44x = 8,121.98 × 1,519.16
  4. Step 4: Simplify right side
    5,414.44x = 12,338,587.14
  5. Step 5: Solve for x
    x = 12,338,587.14/5,414.44
  6. Step 6: Final answer
    x = 2,278.83

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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.