Home / 5,432.86-8,147.94-2,508.40

Finding the Fourth Proportional to 5,432.86, 8,147.94 and 2,508.40

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Solution

The fourth proportional to 5,432.86, 8,147.94 and 2,508.40 is: 3,761.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.86 : 8,147.94 = 2,508.40 : x
  2. Step 2: Convert to fraction form
    5,432.86/8,147.94 = 2,508.40/x
  3. Step 3: Cross multiply
    5,432.86x = 8,147.94 × 2,508.40
  4. Step 4: Simplify right side
    5,432.86x = 20,438,292.70
  5. Step 5: Solve for x
    x = 20,438,292.70/5,432.86
  6. Step 6: Final answer
    x = 3,761.98

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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.