Home / 5,432.59-8,142.49-2,311.66

Finding the Fourth Proportional to 5,432.59, 8,142.49 and 2,311.66

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Solution

The fourth proportional to 5,432.59, 8,142.49 and 2,311.66 is: 3,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.59 : 8,142.49 = 2,311.66 : x
  2. Step 2: Convert to fraction form
    5,432.59/8,142.49 = 2,311.66/x
  3. Step 3: Cross multiply
    5,432.59x = 8,142.49 × 2,311.66
  4. Step 4: Simplify right side
    5,432.59x = 18,822,668.43
  5. Step 5: Solve for x
    x = 18,822,668.43/5,432.59
  6. Step 6: Final answer
    x = 3,464.77

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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.