Home / 9,122.75-13,685.97-3,279.83

Finding the Fourth Proportional to 9,122.75, 13,685.97 and 3,279.83

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Solution

The fourth proportional to 9,122.75, 13,685.97 and 3,279.83 is: 4,920.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.75 : 13,685.97 = 3,279.83 : x
  2. Step 2: Convert to fraction form
    9,122.75/13,685.97 = 3,279.83/x
  3. Step 3: Cross multiply
    9,122.75x = 13,685.97 × 3,279.83
  4. Step 4: Simplify right side
    9,122.75x = 44,887,654.99
  5. Step 5: Solve for x
    x = 44,887,654.99/9,122.75
  6. Step 6: Final answer
    x = 4,920.41

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1.5x scale

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.