Home / 4,279.32-6,433.62-3,958.68

Finding the Fourth Proportional to 4,279.32, 6,433.62 and 3,958.68

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Solution

The fourth proportional to 4,279.32, 6,433.62 and 3,958.68 is: 5,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.32 : 6,433.62 = 3,958.68 : x
  2. Step 2: Convert to fraction form
    4,279.32/6,433.62 = 3,958.68/x
  3. Step 3: Cross multiply
    4,279.32x = 6,433.62 × 3,958.68
  4. Step 4: Simplify right side
    4,279.32x = 25,468,642.82
  5. Step 5: Solve for x
    x = 25,468,642.82/4,279.32
  6. Step 6: Final answer
    x = 5,951.56

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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.