Home / 7,379.97-11,073.23-3,869.14

Finding the Fourth Proportional to 7,379.97, 11,073.23 and 3,869.14

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Solution

The fourth proportional to 7,379.97, 11,073.23 and 3,869.14 is: 5,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.97 : 11,073.23 = 3,869.14 : x
  2. Step 2: Convert to fraction form
    7,379.97/11,073.23 = 3,869.14/x
  3. Step 3: Cross multiply
    7,379.97x = 11,073.23 × 3,869.14
  4. Step 4: Simplify right side
    7,379.97x = 42,843,877.12
  5. Step 5: Solve for x
    x = 42,843,877.12/7,379.97
  6. Step 6: Final answer
    x = 5,805.43

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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.