Home / 9,131.42-13,697.14-2,205.92

Finding the Fourth Proportional to 9,131.42, 13,697.14 and 2,205.92

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Solution

The fourth proportional to 9,131.42, 13,697.14 and 2,205.92 is: 3,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.42 : 13,697.14 = 2,205.92 : x
  2. Step 2: Convert to fraction form
    9,131.42/13,697.14 = 2,205.92/x
  3. Step 3: Cross multiply
    9,131.42x = 13,697.14 × 2,205.92
  4. Step 4: Simplify right side
    9,131.42x = 30,214,726.58
  5. Step 5: Solve for x
    x = 30,214,726.58/9,131.42
  6. Step 6: Final answer
    x = 3,308.88

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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.