Home / 7,551.38-11,328.49-3,391.29

Finding the Fourth Proportional to 7,551.38, 11,328.49 and 3,391.29

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Solution

The fourth proportional to 7,551.38, 11,328.49 and 3,391.29 is: 5,087.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.38 : 11,328.49 = 3,391.29 : x
  2. Step 2: Convert to fraction form
    7,551.38/11,328.49 = 3,391.29/x
  3. Step 3: Cross multiply
    7,551.38x = 11,328.49 × 3,391.29
  4. Step 4: Simplify right side
    7,551.38x = 38,418,194.85
  5. Step 5: Solve for x
    x = 38,418,194.85/7,551.38
  6. Step 6: Final answer
    x = 5,087.57

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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.