Home / 5,414.27-8,121.40-1,951.43

Finding the Fourth Proportional to 5,414.27, 8,121.40 and 1,951.43

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Solution

The fourth proportional to 5,414.27, 8,121.40 and 1,951.43 is: 2,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.27 : 8,121.40 = 1,951.43 : x
  2. Step 2: Convert to fraction form
    5,414.27/8,121.40 = 1,951.43/x
  3. Step 3: Cross multiply
    5,414.27x = 8,121.40 × 1,951.43
  4. Step 4: Simplify right side
    5,414.27x = 15,848,298.12
  5. Step 5: Solve for x
    x = 15,848,298.12/5,414.27
  6. Step 6: Final answer
    x = 2,927.14

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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.