Home / 4,255.40-6,383.80-3,961.92

Finding the Fourth Proportional to 4,255.40, 6,383.80 and 3,961.92

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Solution

The fourth proportional to 4,255.40, 6,383.80 and 3,961.92 is: 5,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.40 : 6,383.80 = 3,961.92 : x
  2. Step 2: Convert to fraction form
    4,255.40/6,383.80 = 3,961.92/x
  3. Step 3: Cross multiply
    4,255.40x = 6,383.80 × 3,961.92
  4. Step 4: Simplify right side
    4,255.40x = 25,292,104.90
  5. Step 5: Solve for x
    x = 25,292,104.90/4,255.40
  6. Step 6: Final answer
    x = 5,943.53

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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.