Home / 9,191.25-13,786.92-2,265.75

Finding the Fourth Proportional to 9,191.25, 13,786.92 and 2,265.75

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Solution

The fourth proportional to 9,191.25, 13,786.92 and 2,265.75 is: 3,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.25 : 13,786.92 = 2,265.75 : x
  2. Step 2: Convert to fraction form
    9,191.25/13,786.92 = 2,265.75/x
  3. Step 3: Cross multiply
    9,191.25x = 13,786.92 × 2,265.75
  4. Step 4: Simplify right side
    9,191.25x = 31,237,713.99
  5. Step 5: Solve for x
    x = 31,237,713.99/9,191.25
  6. Step 6: Final answer
    x = 3,398.64

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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.