Home / 4,121.83-6,177.57-2,945.71

Finding the Fourth Proportional to 4,121.83, 6,177.57 and 2,945.71

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Solution

The fourth proportional to 4,121.83, 6,177.57 and 2,945.71 is: 4,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.83 : 6,177.57 = 2,945.71 : x
  2. Step 2: Convert to fraction form
    4,121.83/6,177.57 = 2,945.71/x
  3. Step 3: Cross multiply
    4,121.83x = 6,177.57 × 2,945.71
  4. Step 4: Simplify right side
    4,121.83x = 18,197,329.72
  5. Step 5: Solve for x
    x = 18,197,329.72/4,121.83
  6. Step 6: Final answer
    x = 4,414.87

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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.