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Finding the Fourth Proportional to 5,819.95, 8,735.42 and 3,873.52

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Solution

The fourth proportional to 5,819.95, 8,735.42 and 3,873.52 is: 5,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.95 : 8,735.42 = 3,873.52 : x
  2. Step 2: Convert to fraction form
    5,819.95/8,735.42 = 3,873.52/x
  3. Step 3: Cross multiply
    5,819.95x = 8,735.42 × 3,873.52
  4. Step 4: Simplify right side
    5,819.95x = 33,836,824.08
  5. Step 5: Solve for x
    x = 33,836,824.08/5,819.95
  6. Step 6: Final answer
    x = 5,813.94

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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.