Home / 6,942.11-10,417.21-2,781.41

Finding the Fourth Proportional to 6,942.11, 10,417.21 and 2,781.41

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Solution

The fourth proportional to 6,942.11, 10,417.21 and 2,781.41 is: 4,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.11 : 10,417.21 = 2,781.41 : x
  2. Step 2: Convert to fraction form
    6,942.11/10,417.21 = 2,781.41/x
  3. Step 3: Cross multiply
    6,942.11x = 10,417.21 × 2,781.41
  4. Step 4: Simplify right side
    6,942.11x = 28,974,473.03
  5. Step 5: Solve for x
    x = 28,974,473.03/6,942.11
  6. Step 6: Final answer
    x = 4,173.73

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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.