Home / 7,414.20-11,121.30-5,956.20

Finding the Fourth Proportional to 7,414.20, 11,121.30 and 5,956.20

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Solution

The fourth proportional to 7,414.20, 11,121.30 and 5,956.20 is: 8,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.20 : 11,121.30 = 5,956.20 : x
  2. Step 2: Convert to fraction form
    7,414.20/11,121.30 = 5,956.20/x
  3. Step 3: Cross multiply
    7,414.20x = 11,121.30 × 5,956.20
  4. Step 4: Simplify right side
    7,414.20x = 66,240,687.06
  5. Step 5: Solve for x
    x = 66,240,687.06/7,414.20
  6. Step 6: Final answer
    x = 8,934.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.