Home / 7,794.20-11,696.42-2,863.88

Finding the Fourth Proportional to 7,794.20, 11,696.42 and 2,863.88

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Solution

The fourth proportional to 7,794.20, 11,696.42 and 2,863.88 is: 4,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.20 : 11,696.42 = 2,863.88 : x
  2. Step 2: Convert to fraction form
    7,794.20/11,696.42 = 2,863.88/x
  3. Step 3: Cross multiply
    7,794.20x = 11,696.42 × 2,863.88
  4. Step 4: Simplify right side
    7,794.20x = 33,497,128.99
  5. Step 5: Solve for x
    x = 33,497,128.99/7,794.20
  6. Step 6: Final answer
    x = 4,297.70

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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.