Home / 4,519.38-6,768.78-3,126.42

Finding the Fourth Proportional to 4,519.38, 6,768.78 and 3,126.42

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Solution

The fourth proportional to 4,519.38, 6,768.78 and 3,126.42 is: 4,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.38 : 6,768.78 = 3,126.42 : x
  2. Step 2: Convert to fraction form
    4,519.38/6,768.78 = 3,126.42/x
  3. Step 3: Cross multiply
    4,519.38x = 6,768.78 × 3,126.42
  4. Step 4: Simplify right side
    4,519.38x = 21,162,049.17
  5. Step 5: Solve for x
    x = 21,162,049.17/4,519.38
  6. Step 6: Final answer
    x = 4,682.51

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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.