Home / 5,432.76-8,150.60-2,312.88

Finding the Fourth Proportional to 5,432.76, 8,150.60 and 2,312.88

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Solution

The fourth proportional to 5,432.76, 8,150.60 and 2,312.88 is: 3,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.76 : 8,150.60 = 2,312.88 : x
  2. Step 2: Convert to fraction form
    5,432.76/8,150.60 = 2,312.88/x
  3. Step 3: Cross multiply
    5,432.76x = 8,150.60 × 2,312.88
  4. Step 4: Simplify right side
    5,432.76x = 18,851,359.73
  5. Step 5: Solve for x
    x = 18,851,359.73/5,432.76
  6. Step 6: Final answer
    x = 3,469.94

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1.5x scale

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.