Home / 4,086.41-6,129.47-2,431.88

Finding the Fourth Proportional to 4,086.41, 6,129.47 and 2,431.88

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Solution

The fourth proportional to 4,086.41, 6,129.47 and 2,431.88 is: 3,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.41 : 6,129.47 = 2,431.88 : x
  2. Step 2: Convert to fraction form
    4,086.41/6,129.47 = 2,431.88/x
  3. Step 3: Cross multiply
    4,086.41x = 6,129.47 × 2,431.88
  4. Step 4: Simplify right side
    4,086.41x = 14,906,092.70
  5. Step 5: Solve for x
    x = 14,906,092.70/4,086.41
  6. Step 6: Final answer
    x = 3,647.73

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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.