Home / 5,636.92-8,458.40-3,171.91

Finding the Fourth Proportional to 5,636.92, 8,458.40 and 3,171.91

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Solution

The fourth proportional to 5,636.92, 8,458.40 and 3,171.91 is: 4,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.92 : 8,458.40 = 3,171.91 : x
  2. Step 2: Convert to fraction form
    5,636.92/8,458.40 = 3,171.91/x
  3. Step 3: Cross multiply
    5,636.92x = 8,458.40 × 3,171.91
  4. Step 4: Simplify right side
    5,636.92x = 26,829,283.54
  5. Step 5: Solve for x
    x = 26,829,283.54/5,636.92
  6. Step 6: Final answer
    x = 4,759.56

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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.