Home / 4,241.55-6,363.24-1,319.78

Finding the Fourth Proportional to 4,241.55, 6,363.24 and 1,319.78

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Solution

The fourth proportional to 4,241.55, 6,363.24 and 1,319.78 is: 1,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,241.55 : 6,363.24 = 1,319.78 : x
  2. Step 2: Convert to fraction form
    4,241.55/6,363.24 = 1,319.78/x
  3. Step 3: Cross multiply
    4,241.55x = 6,363.24 × 1,319.78
  4. Step 4: Simplify right side
    4,241.55x = 8,398,076.89
  5. Step 5: Solve for x
    x = 8,398,076.89/4,241.55
  6. Step 6: Final answer
    x = 1,979.95

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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.