Home / 8,151.60-12,226.20-2,308.80

Finding the Fourth Proportional to 8,151.60, 12,226.20 and 2,308.80

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Solution

The fourth proportional to 8,151.60, 12,226.20 and 2,308.80 is: 3,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.60 : 12,226.20 = 2,308.80 : x
  2. Step 2: Convert to fraction form
    8,151.60/12,226.20 = 2,308.80/x
  3. Step 3: Cross multiply
    8,151.60x = 12,226.20 × 2,308.80
  4. Step 4: Simplify right side
    8,151.60x = 28,227,850.56
  5. Step 5: Solve for x
    x = 28,227,850.56/8,151.60
  6. Step 6: Final answer
    x = 3,462.86

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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.