Home / 8,512.24-12,766.20-3,829.60

Finding the Fourth Proportional to 8,512.24, 12,766.20 and 3,829.60

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Solution

The fourth proportional to 8,512.24, 12,766.20 and 3,829.60 is: 5,743.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.24 : 12,766.20 = 3,829.60 : x
  2. Step 2: Convert to fraction form
    8,512.24/12,766.20 = 3,829.60/x
  3. Step 3: Cross multiply
    8,512.24x = 12,766.20 × 3,829.60
  4. Step 4: Simplify right side
    8,512.24x = 48,889,439.52
  5. Step 5: Solve for x
    x = 48,889,439.52/8,512.24
  6. Step 6: Final answer
    x = 5,743.43

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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.