Home / 6,422.64-8,863.38-3,769.98

Finding the Fourth Proportional to 6,422.64, 8,863.38 and 3,769.98

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Solution

The fourth proportional to 6,422.64, 8,863.38 and 3,769.98 is: 5,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.64 : 8,863.38 = 3,769.98 : x
  2. Step 2: Convert to fraction form
    6,422.64/8,863.38 = 3,769.98/x
  3. Step 3: Cross multiply
    6,422.64x = 8,863.38 × 3,769.98
  4. Step 4: Simplify right side
    6,422.64x = 33,414,765.33
  5. Step 5: Solve for x
    x = 33,414,765.33/6,422.64
  6. Step 6: Final answer
    x = 5,202.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.