Home / 7,305.31-10,951.82-2,920.38

Finding the Fourth Proportional to 7,305.31, 10,951.82 and 2,920.38

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Solution

The fourth proportional to 7,305.31, 10,951.82 and 2,920.38 is: 4,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.31 : 10,951.82 = 2,920.38 : x
  2. Step 2: Convert to fraction form
    7,305.31/10,951.82 = 2,920.38/x
  3. Step 3: Cross multiply
    7,305.31x = 10,951.82 × 2,920.38
  4. Step 4: Simplify right side
    7,305.31x = 31,983,476.09
  5. Step 5: Solve for x
    x = 31,983,476.09/7,305.31
  6. Step 6: Final answer
    x = 4,378.11

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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.