Home / 5,092.68-7,639.82-2,171

Finding the Fourth Proportional to 5,092.68, 7,639.82 and 2,171

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Solution

The fourth proportional to 5,092.68, 7,639.82 and 2,171 is: 3,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.68 : 7,639.82 = 2,171 : x
  2. Step 2: Convert to fraction form
    5,092.68/7,639.82 = 2,171/x
  3. Step 3: Cross multiply
    5,092.68x = 7,639.82 × 2,171
  4. Step 4: Simplify right side
    5,092.68x = 16,586,049.22
  5. Step 5: Solve for x
    x = 16,586,049.22/5,092.68
  6. Step 6: Final answer
    x = 3,256.84

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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.