Home / 6,728.13-9,283.68-3,743.87

Finding the Fourth Proportional to 6,728.13, 9,283.68 and 3,743.87

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Solution

The fourth proportional to 6,728.13, 9,283.68 and 3,743.87 is: 5,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.13 : 9,283.68 = 3,743.87 : x
  2. Step 2: Convert to fraction form
    6,728.13/9,283.68 = 3,743.87/x
  3. Step 3: Cross multiply
    6,728.13x = 9,283.68 × 3,743.87
  4. Step 4: Simplify right side
    6,728.13x = 34,756,844.62
  5. Step 5: Solve for x
    x = 34,756,844.62/6,728.13
  6. Step 6: Final answer
    x = 5,165.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.