Home / 5,213.97-7,821.54-2,095.05

Finding the Fourth Proportional to 5,213.97, 7,821.54 and 2,095.05

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Solution

The fourth proportional to 5,213.97, 7,821.54 and 2,095.05 is: 3,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.97 : 7,821.54 = 2,095.05 : x
  2. Step 2: Convert to fraction form
    5,213.97/7,821.54 = 2,095.05/x
  3. Step 3: Cross multiply
    5,213.97x = 7,821.54 × 2,095.05
  4. Step 4: Simplify right side
    5,213.97x = 16,386,517.38
  5. Step 5: Solve for x
    x = 16,386,517.38/5,213.97
  6. Step 6: Final answer
    x = 3,142.81

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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.