Home / 8,805.38-13,206.92-2,231.01

Finding the Fourth Proportional to 8,805.38, 13,206.92 and 2,231.01

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Solution

The fourth proportional to 8,805.38, 13,206.92 and 2,231.01 is: 3,346.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.38 : 13,206.92 = 2,231.01 : x
  2. Step 2: Convert to fraction form
    8,805.38/13,206.92 = 2,231.01/x
  3. Step 3: Cross multiply
    8,805.38x = 13,206.92 × 2,231.01
  4. Step 4: Simplify right side
    8,805.38x = 29,464,759.43
  5. Step 5: Solve for x
    x = 29,464,759.43/8,805.38
  6. Step 6: Final answer
    x = 3,346.22

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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.