Home / 9,211.08-13,819.92-3,943.88

Finding the Fourth Proportional to 9,211.08, 13,819.92 and 3,943.88

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Solution

The fourth proportional to 9,211.08, 13,819.92 and 3,943.88 is: 5,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.08 : 13,819.92 = 3,943.88 : x
  2. Step 2: Convert to fraction form
    9,211.08/13,819.92 = 3,943.88/x
  3. Step 3: Cross multiply
    9,211.08x = 13,819.92 × 3,943.88
  4. Step 4: Simplify right side
    9,211.08x = 54,504,106.09
  5. Step 5: Solve for x
    x = 54,504,106.09/9,211.08
  6. Step 6: Final answer
    x = 5,917.23

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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.