Home / 8,244.28-12,367.19-2,980.61

Finding the Fourth Proportional to 8,244.28, 12,367.19 and 2,980.61

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Solution

The fourth proportional to 8,244.28, 12,367.19 and 2,980.61 is: 4,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.28 : 12,367.19 = 2,980.61 : x
  2. Step 2: Convert to fraction form
    8,244.28/12,367.19 = 2,980.61/x
  3. Step 3: Cross multiply
    8,244.28x = 12,367.19 × 2,980.61
  4. Step 4: Simplify right side
    8,244.28x = 36,861,770.19
  5. Step 5: Solve for x
    x = 36,861,770.19/8,244.28
  6. Step 6: Final answer
    x = 4,471.19

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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.