Home / 6,147.80-9,221.68-2,250.08

Finding the Fourth Proportional to 6,147.80, 9,221.68 and 2,250.08

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Solution

The fourth proportional to 6,147.80, 9,221.68 and 2,250.08 is: 3,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.80 : 9,221.68 = 2,250.08 : x
  2. Step 2: Convert to fraction form
    6,147.80/9,221.68 = 2,250.08/x
  3. Step 3: Cross multiply
    6,147.80x = 9,221.68 × 2,250.08
  4. Step 4: Simplify right side
    6,147.80x = 20,749,517.73
  5. Step 5: Solve for x
    x = 20,749,517.73/6,147.80
  6. Step 6: Final answer
    x = 3,375.11

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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.