Home / 6,122.40-9,177.20-3,344.80

Finding the Fourth Proportional to 6,122.40, 9,177.20 and 3,344.80

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Solution

The fourth proportional to 6,122.40, 9,177.20 and 3,344.80 is: 5,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.40 : 9,177.20 = 3,344.80 : x
  2. Step 2: Convert to fraction form
    6,122.40/9,177.20 = 3,344.80/x
  3. Step 3: Cross multiply
    6,122.40x = 9,177.20 × 3,344.80
  4. Step 4: Simplify right side
    6,122.40x = 30,695,898.56
  5. Step 5: Solve for x
    x = 30,695,898.56/6,122.40
  6. Step 6: Final answer
    x = 5,013.70

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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.