Home / 7,680.27-11,524.12-3,734.90

Finding the Fourth Proportional to 7,680.27, 11,524.12 and 3,734.90

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Solution

The fourth proportional to 7,680.27, 11,524.12 and 3,734.90 is: 5,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.27 : 11,524.12 = 3,734.90 : x
  2. Step 2: Convert to fraction form
    7,680.27/11,524.12 = 3,734.90/x
  3. Step 3: Cross multiply
    7,680.27x = 11,524.12 × 3,734.90
  4. Step 4: Simplify right side
    7,680.27x = 43,041,368.83
  5. Step 5: Solve for x
    x = 43,041,368.83/7,680.27
  6. Step 6: Final answer
    x = 5,604.15

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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.