Home / 5,414.78-8,125.80-3,516.92

Finding the Fourth Proportional to 5,414.78, 8,125.80 and 3,516.92

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Solution

The fourth proportional to 5,414.78, 8,125.80 and 3,516.92 is: 5,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.78 : 8,125.80 = 3,516.92 : x
  2. Step 2: Convert to fraction form
    5,414.78/8,125.80 = 3,516.92/x
  3. Step 3: Cross multiply
    5,414.78x = 8,125.80 × 3,516.92
  4. Step 4: Simplify right side
    5,414.78x = 28,577,788.54
  5. Step 5: Solve for x
    x = 28,577,788.54/5,414.78
  6. Step 6: Final answer
    x = 5,277.74

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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.