Home / 6,251.38-9,358.40-3,778.72

Finding the Fourth Proportional to 6,251.38, 9,358.40 and 3,778.72

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Solution

The fourth proportional to 6,251.38, 9,358.40 and 3,778.72 is: 5,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.38 : 9,358.40 = 3,778.72 : x
  2. Step 2: Convert to fraction form
    6,251.38/9,358.40 = 3,778.72/x
  3. Step 3: Cross multiply
    6,251.38x = 9,358.40 × 3,778.72
  4. Step 4: Simplify right side
    6,251.38x = 35,362,773.25
  5. Step 5: Solve for x
    x = 35,362,773.25/6,251.38
  6. Step 6: Final answer
    x = 5,656.79

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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.