Home / 5,092.29-7,639.25-2,170.62

Finding the Fourth Proportional to 5,092.29, 7,639.25 and 2,170.62

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Solution

The fourth proportional to 5,092.29, 7,639.25 and 2,170.62 is: 3,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.29 : 7,639.25 = 2,170.62 : x
  2. Step 2: Convert to fraction form
    5,092.29/7,639.25 = 2,170.62/x
  3. Step 3: Cross multiply
    5,092.29x = 7,639.25 × 2,170.62
  4. Step 4: Simplify right side
    5,092.29x = 16,581,897.98
  5. Step 5: Solve for x
    x = 16,581,897.98/5,092.29
  6. Step 6: Final answer
    x = 3,256.28

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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.