Home / 5,177.92-7,758.72-3,227.20

Finding the Fourth Proportional to 5,177.92, 7,758.72 and 3,227.20

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Solution

The fourth proportional to 5,177.92, 7,758.72 and 3,227.20 is: 4,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.92 : 7,758.72 = 3,227.20 : x
  2. Step 2: Convert to fraction form
    5,177.92/7,758.72 = 3,227.20/x
  3. Step 3: Cross multiply
    5,177.92x = 7,758.72 × 3,227.20
  4. Step 4: Simplify right side
    5,177.92x = 25,038,941.18
  5. Step 5: Solve for x
    x = 25,038,941.18/5,177.92
  6. Step 6: Final answer
    x = 4,835.71

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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.