Home / 6,949-9,589.62-3,805.21

Finding the Fourth Proportional to 6,949, 9,589.62 and 3,805.21

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Solution

The fourth proportional to 6,949, 9,589.62 and 3,805.21 is: 5,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949 : 9,589.62 = 3,805.21 : x
  2. Step 2: Convert to fraction form
    6,949/9,589.62 = 3,805.21/x
  3. Step 3: Cross multiply
    6,949x = 9,589.62 × 3,805.21
  4. Step 4: Simplify right side
    6,949x = 36,490,517.92
  5. Step 5: Solve for x
    x = 36,490,517.92/6,949
  6. Step 6: Final answer
    x = 5,251.19

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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.