Home / 4,171.84-6,254.12-3,939.78

Finding the Fourth Proportional to 4,171.84, 6,254.12 and 3,939.78

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Solution

The fourth proportional to 4,171.84, 6,254.12 and 3,939.78 is: 5,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.84 : 6,254.12 = 3,939.78 : x
  2. Step 2: Convert to fraction form
    4,171.84/6,254.12 = 3,939.78/x
  3. Step 3: Cross multiply
    4,171.84x = 6,254.12 × 3,939.78
  4. Step 4: Simplify right side
    4,171.84x = 24,639,856.89
  5. Step 5: Solve for x
    x = 24,639,856.89/4,171.84
  6. Step 6: Final answer
    x = 5,906.23

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1.5x scale

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.