Home / 6,822.20-10,233.72-2,142.38

Finding the Fourth Proportional to 6,822.20, 10,233.72 and 2,142.38

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Solution

The fourth proportional to 6,822.20, 10,233.72 and 2,142.38 is: 3,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.20 : 10,233.72 = 2,142.38 : x
  2. Step 2: Convert to fraction form
    6,822.20/10,233.72 = 2,142.38/x
  3. Step 3: Cross multiply
    6,822.20x = 10,233.72 × 2,142.38
  4. Step 4: Simplify right side
    6,822.20x = 21,924,542.64
  5. Step 5: Solve for x
    x = 21,924,542.64/6,822.20
  6. Step 6: Final answer
    x = 3,213.70

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1.5x scale

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.