Home / 4,255.16-6,381.31-1,789.52

Finding the Fourth Proportional to 4,255.16, 6,381.31 and 1,789.52

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Solution

The fourth proportional to 4,255.16, 6,381.31 and 1,789.52 is: 2,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.16 : 6,381.31 = 1,789.52 : x
  2. Step 2: Convert to fraction form
    4,255.16/6,381.31 = 1,789.52/x
  3. Step 3: Cross multiply
    4,255.16x = 6,381.31 × 1,789.52
  4. Step 4: Simplify right side
    4,255.16x = 11,419,481.87
  5. Step 5: Solve for x
    x = 11,419,481.87/4,255.16
  6. Step 6: Final answer
    x = 2,683.68

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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.