Home / 6,391.30-9,569.66-3,306.82

Finding the Fourth Proportional to 6,391.30, 9,569.66 and 3,306.82

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Solution

The fourth proportional to 6,391.30, 9,569.66 and 3,306.82 is: 4,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.30 : 9,569.66 = 3,306.82 : x
  2. Step 2: Convert to fraction form
    6,391.30/9,569.66 = 3,306.82/x
  3. Step 3: Cross multiply
    6,391.30x = 9,569.66 × 3,306.82
  4. Step 4: Simplify right side
    6,391.30x = 31,645,143.08
  5. Step 5: Solve for x
    x = 31,645,143.08/6,391.30
  6. Step 6: Final answer
    x = 4,951.28

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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.