Home / 6,728.77-9,285.66-3,744.43

Finding the Fourth Proportional to 6,728.77, 9,285.66 and 3,744.43

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Solution

The fourth proportional to 6,728.77, 9,285.66 and 3,744.43 is: 5,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.77 : 9,285.66 = 3,744.43 : x
  2. Step 2: Convert to fraction form
    6,728.77/9,285.66 = 3,744.43/x
  3. Step 3: Cross multiply
    6,728.77x = 9,285.66 × 3,744.43
  4. Step 4: Simplify right side
    6,728.77x = 34,769,503.87
  5. Step 5: Solve for x
    x = 34,769,503.87/6,728.77
  6. Step 6: Final answer
    x = 5,167.29

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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.