Home / 4,049.78-6,074.66-3,126.68

Finding the Fourth Proportional to 4,049.78, 6,074.66 and 3,126.68

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Solution

The fourth proportional to 4,049.78, 6,074.66 and 3,126.68 is: 4,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.78 : 6,074.66 = 3,126.68 : x
  2. Step 2: Convert to fraction form
    4,049.78/6,074.66 = 3,126.68/x
  3. Step 3: Cross multiply
    4,049.78x = 6,074.66 × 3,126.68
  4. Step 4: Simplify right side
    4,049.78x = 18,993,517.93
  5. Step 5: Solve for x
    x = 18,993,517.93/4,049.78
  6. Step 6: Final answer
    x = 4,690.02

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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.