Home / 6,869.80-10,305.42-2,251.72

Finding the Fourth Proportional to 6,869.80, 10,305.42 and 2,251.72

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Solution

The fourth proportional to 6,869.80, 10,305.42 and 2,251.72 is: 3,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.80 : 10,305.42 = 2,251.72 : x
  2. Step 2: Convert to fraction form
    6,869.80/10,305.42 = 2,251.72/x
  3. Step 3: Cross multiply
    6,869.80x = 10,305.42 × 2,251.72
  4. Step 4: Simplify right side
    6,869.80x = 23,204,920.32
  5. Step 5: Solve for x
    x = 23,204,920.32/6,869.80
  6. Step 6: Final answer
    x = 3,377.82

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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.