Home / 4,168.75-6,251.82-1,394.78

Finding the Fourth Proportional to 4,168.75, 6,251.82 and 1,394.78

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Solution

The fourth proportional to 4,168.75, 6,251.82 and 1,394.78 is: 2,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.75 : 6,251.82 = 1,394.78 : x
  2. Step 2: Convert to fraction form
    4,168.75/6,251.82 = 1,394.78/x
  3. Step 3: Cross multiply
    4,168.75x = 6,251.82 × 1,394.78
  4. Step 4: Simplify right side
    4,168.75x = 8,719,913.50
  5. Step 5: Solve for x
    x = 8,719,913.50/4,168.75
  6. Step 6: Final answer
    x = 2,091.73

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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.