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Finding the Fourth Proportional to 5,441, 8,162.58 and 2,321

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Solution

The fourth proportional to 5,441, 8,162.58 and 2,321 is: 3,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441 : 8,162.58 = 2,321 : x
  2. Step 2: Convert to fraction form
    5,441/8,162.58 = 2,321/x
  3. Step 3: Cross multiply
    5,441x = 8,162.58 × 2,321
  4. Step 4: Simplify right side
    5,441x = 18,945,348.18
  5. Step 5: Solve for x
    x = 18,945,348.18/5,441
  6. Step 6: Final answer
    x = 3,481.96

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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.