Home / 5,269.13-7,903.45-1,981.97

Finding the Fourth Proportional to 5,269.13, 7,903.45 and 1,981.97

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Solution

The fourth proportional to 5,269.13, 7,903.45 and 1,981.97 is: 2,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.13 : 7,903.45 = 1,981.97 : x
  2. Step 2: Convert to fraction form
    5,269.13/7,903.45 = 1,981.97/x
  3. Step 3: Cross multiply
    5,269.13x = 7,903.45 × 1,981.97
  4. Step 4: Simplify right side
    5,269.13x = 15,664,400.80
  5. Step 5: Solve for x
    x = 15,664,400.80/5,269.13
  6. Step 6: Final answer
    x = 2,972.86

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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.