Home / 9,189.33-13,786.31-2,949.90

Finding the Fourth Proportional to 9,189.33, 13,786.31 and 2,949.90

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Solution

The fourth proportional to 9,189.33, 13,786.31 and 2,949.90 is: 4,425.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.33 : 13,786.31 = 2,949.90 : x
  2. Step 2: Convert to fraction form
    9,189.33/13,786.31 = 2,949.90/x
  3. Step 3: Cross multiply
    9,189.33x = 13,786.31 × 2,949.90
  4. Step 4: Simplify right side
    9,189.33x = 40,668,221.12
  5. Step 5: Solve for x
    x = 40,668,221.12/9,189.33
  6. Step 6: Final answer
    x = 4,425.59

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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.