Home / 8,151.24-12,230.10-4,254.60

Finding the Fourth Proportional to 8,151.24, 12,230.10 and 4,254.60

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Solution

The fourth proportional to 8,151.24, 12,230.10 and 4,254.60 is: 6,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.24 : 12,230.10 = 4,254.60 : x
  2. Step 2: Convert to fraction form
    8,151.24/12,230.10 = 4,254.60/x
  3. Step 3: Cross multiply
    8,151.24x = 12,230.10 × 4,254.60
  4. Step 4: Simplify right side
    8,151.24x = 52,034,183.46
  5. Step 5: Solve for x
    x = 52,034,183.46/8,151.24
  6. Step 6: Final answer
    x = 6,383.59

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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.