Home / 4,086.25-6,126.73-1,747.78

Finding the Fourth Proportional to 4,086.25, 6,126.73 and 1,747.78

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Solution

The fourth proportional to 4,086.25, 6,126.73 and 1,747.78 is: 2,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.25 : 6,126.73 = 1,747.78 : x
  2. Step 2: Convert to fraction form
    4,086.25/6,126.73 = 1,747.78/x
  3. Step 3: Cross multiply
    4,086.25x = 6,126.73 × 1,747.78
  4. Step 4: Simplify right side
    4,086.25x = 10,708,176.16
  5. Step 5: Solve for x
    x = 10,708,176.16/4,086.25
  6. Step 6: Final answer
    x = 2,620.54

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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.