Home / 5,481.08-8,209.82-3,716.40

Finding the Fourth Proportional to 5,481.08, 8,209.82 and 3,716.40

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Solution

The fourth proportional to 5,481.08, 8,209.82 and 3,716.40 is: 5,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.08 : 8,209.82 = 3,716.40 : x
  2. Step 2: Convert to fraction form
    5,481.08/8,209.82 = 3,716.40/x
  3. Step 3: Cross multiply
    5,481.08x = 8,209.82 × 3,716.40
  4. Step 4: Simplify right side
    5,481.08x = 30,511,015.13
  5. Step 5: Solve for x
    x = 30,511,015.13/5,481.08
  6. Step 6: Final answer
    x = 5,566.61

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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.