Home / 5,265.56-7,892.85-2,144.21

Finding the Fourth Proportional to 5,265.56, 7,892.85 and 2,144.21

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Solution

The fourth proportional to 5,265.56, 7,892.85 and 2,144.21 is: 3,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.56 : 7,892.85 = 2,144.21 : x
  2. Step 2: Convert to fraction form
    5,265.56/7,892.85 = 2,144.21/x
  3. Step 3: Cross multiply
    5,265.56x = 7,892.85 × 2,144.21
  4. Step 4: Simplify right side
    5,265.56x = 16,923,927.90
  5. Step 5: Solve for x
    x = 16,923,927.90/5,265.56
  6. Step 6: Final answer
    x = 3,214.08

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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.