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Finding the Fourth Proportional to 5,863.68, 8,091.92 and 3,211.10

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Solution

The fourth proportional to 5,863.68, 8,091.92 and 3,211.10 is: 4,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.68 : 8,091.92 = 3,211.10 : x
  2. Step 2: Convert to fraction form
    5,863.68/8,091.92 = 3,211.10/x
  3. Step 3: Cross multiply
    5,863.68x = 8,091.92 × 3,211.10
  4. Step 4: Simplify right side
    5,863.68x = 25,983,907.80
  5. Step 5: Solve for x
    x = 25,983,907.80/5,863.68
  6. Step 6: Final answer
    x = 4,431.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.