Home / 9,198.09-13,786.88-3,649.95

Finding the Fourth Proportional to 9,198.09, 13,786.88 and 3,649.95

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Solution

The fourth proportional to 9,198.09, 13,786.88 and 3,649.95 is: 5,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.09 : 13,786.88 = 3,649.95 : x
  2. Step 2: Convert to fraction form
    9,198.09/13,786.88 = 3,649.95/x
  3. Step 3: Cross multiply
    9,198.09x = 13,786.88 × 3,649.95
  4. Step 4: Simplify right side
    9,198.09x = 50,321,404.41
  5. Step 5: Solve for x
    x = 50,321,404.41/9,198.09
  6. Step 6: Final answer
    x = 5,470.85

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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.