Home / 5,432.10-8,142.66-3,241.86

Finding the Fourth Proportional to 5,432.10, 8,142.66 and 3,241.86

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Solution

The fourth proportional to 5,432.10, 8,142.66 and 3,241.86 is: 4,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.10 : 8,142.66 = 3,241.86 : x
  2. Step 2: Convert to fraction form
    5,432.10/8,142.66 = 3,241.86/x
  3. Step 3: Cross multiply
    5,432.10x = 8,142.66 × 3,241.86
  4. Step 4: Simplify right side
    5,432.10x = 26,397,363.75
  5. Step 5: Solve for x
    x = 26,397,363.75/5,432.10
  6. Step 6: Final answer
    x = 4,859.51

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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.