Home / 7,310.25-10,965.38-2,116.17

Finding the Fourth Proportional to 7,310.25, 10,965.38 and 2,116.17

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Solution

The fourth proportional to 7,310.25, 10,965.38 and 2,116.17 is: 3,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.25 : 10,965.38 = 2,116.17 : x
  2. Step 2: Convert to fraction form
    7,310.25/10,965.38 = 2,116.17/x
  3. Step 3: Cross multiply
    7,310.25x = 10,965.38 × 2,116.17
  4. Step 4: Simplify right side
    7,310.25x = 23,204,597.61
  5. Step 5: Solve for x
    x = 23,204,597.61/7,310.25
  6. Step 6: Final answer
    x = 3,174.26

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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.