Home / 7,709.24-11,553.71-3,489.35

Finding the Fourth Proportional to 7,709.24, 11,553.71 and 3,489.35

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Solution

The fourth proportional to 7,709.24, 11,553.71 and 3,489.35 is: 5,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.24 : 11,553.71 = 3,489.35 : x
  2. Step 2: Convert to fraction form
    7,709.24/11,553.71 = 3,489.35/x
  3. Step 3: Cross multiply
    7,709.24x = 11,553.71 × 3,489.35
  4. Step 4: Simplify right side
    7,709.24x = 40,314,862.77
  5. Step 5: Solve for x
    x = 40,314,862.77/7,709.24
  6. Step 6: Final answer
    x = 5,229.42

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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.