Home / 8,313.20-12,471.83-2,766.53

Finding the Fourth Proportional to 8,313.20, 12,471.83 and 2,766.53

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Solution

The fourth proportional to 8,313.20, 12,471.83 and 2,766.53 is: 4,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.20 : 12,471.83 = 2,766.53 : x
  2. Step 2: Convert to fraction form
    8,313.20/12,471.83 = 2,766.53/x
  3. Step 3: Cross multiply
    8,313.20x = 12,471.83 × 2,766.53
  4. Step 4: Simplify right side
    8,313.20x = 34,503,691.85
  5. Step 5: Solve for x
    x = 34,503,691.85/8,313.20
  6. Step 6: Final answer
    x = 4,150.47

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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.