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Finding the Fourth Proportional to 4,452.55, 6,678.14 and 1,819.96

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Solution

The fourth proportional to 4,452.55, 6,678.14 and 1,819.96 is: 2,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.55 : 6,678.14 = 1,819.96 : x
  2. Step 2: Convert to fraction form
    4,452.55/6,678.14 = 1,819.96/x
  3. Step 3: Cross multiply
    4,452.55x = 6,678.14 × 1,819.96
  4. Step 4: Simplify right side
    4,452.55x = 12,153,921.88
  5. Step 5: Solve for x
    x = 12,153,921.88/4,452.55
  6. Step 6: Final answer
    x = 2,729.66

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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.