Home / 5,121.62-7,684.94-1,834.97

Finding the Fourth Proportional to 5,121.62, 7,684.94 and 1,834.97

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Solution

The fourth proportional to 5,121.62, 7,684.94 and 1,834.97 is: 2,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.62 : 7,684.94 = 1,834.97 : x
  2. Step 2: Convert to fraction form
    5,121.62/7,684.94 = 1,834.97/x
  3. Step 3: Cross multiply
    5,121.62x = 7,684.94 × 1,834.97
  4. Step 4: Simplify right side
    5,121.62x = 14,101,600.51
  5. Step 5: Solve for x
    x = 14,101,600.51/5,121.62
  6. Step 6: Final answer
    x = 2,753.35

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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.