Home / 6,741.54-10,098.97-3,178.78

Finding the Fourth Proportional to 6,741.54, 10,098.97 and 3,178.78

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Solution

The fourth proportional to 6,741.54, 10,098.97 and 3,178.78 is: 4,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.54 : 10,098.97 = 3,178.78 : x
  2. Step 2: Convert to fraction form
    6,741.54/10,098.97 = 3,178.78/x
  3. Step 3: Cross multiply
    6,741.54x = 10,098.97 × 3,178.78
  4. Step 4: Simplify right side
    6,741.54x = 32,102,408.80
  5. Step 5: Solve for x
    x = 32,102,408.80/6,741.54
  6. Step 6: Final answer
    x = 4,761.88

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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.