Home / 6,121.72-9,177.20-2,426.55

Finding the Fourth Proportional to 6,121.72, 9,177.20 and 2,426.55

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Solution

The fourth proportional to 6,121.72, 9,177.20 and 2,426.55 is: 3,637.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.72 : 9,177.20 = 2,426.55 : x
  2. Step 2: Convert to fraction form
    6,121.72/9,177.20 = 2,426.55/x
  3. Step 3: Cross multiply
    6,121.72x = 9,177.20 × 2,426.55
  4. Step 4: Simplify right side
    6,121.72x = 22,268,918.97
  5. Step 5: Solve for x
    x = 22,268,918.97/6,121.72
  6. Step 6: Final answer
    x = 3,637.69

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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.