Home / 6,767.12-10,143.96-3,839.36

Finding the Fourth Proportional to 6,767.12, 10,143.96 and 3,839.36

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Solution

The fourth proportional to 6,767.12, 10,143.96 and 3,839.36 is: 5,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767.12 : 10,143.96 = 3,839.36 : x
  2. Step 2: Convert to fraction form
    6,767.12/10,143.96 = 3,839.36/x
  3. Step 3: Cross multiply
    6,767.12x = 10,143.96 × 3,839.36
  4. Step 4: Simplify right side
    6,767.12x = 38,946,314.27
  5. Step 5: Solve for x
    x = 38,946,314.27/6,767.12
  6. Step 6: Final answer
    x = 5,755.23

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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.