Home / 7,863.70-11,792.84-3,182.54

Finding the Fourth Proportional to 7,863.70, 11,792.84 and 3,182.54

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Solution

The fourth proportional to 7,863.70, 11,792.84 and 3,182.54 is: 4,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.70 : 11,792.84 = 3,182.54 : x
  2. Step 2: Convert to fraction form
    7,863.70/11,792.84 = 3,182.54/x
  3. Step 3: Cross multiply
    7,863.70x = 11,792.84 × 3,182.54
  4. Step 4: Simplify right side
    7,863.70x = 37,531,185.01
  5. Step 5: Solve for x
    x = 37,531,185.01/7,863.70
  6. Step 6: Final answer
    x = 4,772.71

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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.