Home / 7,841.76-11,766.19-3,896.95

Finding the Fourth Proportional to 7,841.76, 11,766.19 and 3,896.95

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Solution

The fourth proportional to 7,841.76, 11,766.19 and 3,896.95 is: 5,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.76 : 11,766.19 = 3,896.95 : x
  2. Step 2: Convert to fraction form
    7,841.76/11,766.19 = 3,896.95/x
  3. Step 3: Cross multiply
    7,841.76x = 11,766.19 × 3,896.95
  4. Step 4: Simplify right side
    7,841.76x = 45,852,195.29
  5. Step 5: Solve for x
    x = 45,852,195.29/7,841.76
  6. Step 6: Final answer
    x = 5,847.19

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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.