Home / 7,841.05-11,765.42-3,453.28

Finding the Fourth Proportional to 7,841.05, 11,765.42 and 3,453.28

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Solution

The fourth proportional to 7,841.05, 11,765.42 and 3,453.28 is: 5,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.05 : 11,765.42 = 3,453.28 : x
  2. Step 2: Convert to fraction form
    7,841.05/11,765.42 = 3,453.28/x
  3. Step 3: Cross multiply
    7,841.05x = 11,765.42 × 3,453.28
  4. Step 4: Simplify right side
    7,841.05x = 40,629,289.58
  5. Step 5: Solve for x
    x = 40,629,289.58/7,841.05
  6. Step 6: Final answer
    x = 5,181.61

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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.