Home / 6,942.78-10,408.41-3,243.06

Finding the Fourth Proportional to 6,942.78, 10,408.41 and 3,243.06

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Solution

The fourth proportional to 6,942.78, 10,408.41 and 3,243.06 is: 4,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.78 : 10,408.41 = 3,243.06 : x
  2. Step 2: Convert to fraction form
    6,942.78/10,408.41 = 3,243.06/x
  3. Step 3: Cross multiply
    6,942.78x = 10,408.41 × 3,243.06
  4. Step 4: Simplify right side
    6,942.78x = 33,755,098.13
  5. Step 5: Solve for x
    x = 33,755,098.13/6,942.78
  6. Step 6: Final answer
    x = 4,861.90

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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.