Home / 4,222.82-5,824.17-3,939.89

Finding the Fourth Proportional to 4,222.82, 5,824.17 and 3,939.89

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Solution

The fourth proportional to 4,222.82, 5,824.17 and 3,939.89 is: 5,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.82 : 5,824.17 = 3,939.89 : x
  2. Step 2: Convert to fraction form
    4,222.82/5,824.17 = 3,939.89/x
  3. Step 3: Cross multiply
    4,222.82x = 5,824.17 × 3,939.89
  4. Step 4: Simplify right side
    4,222.82x = 22,946,560.02
  5. Step 5: Solve for x
    x = 22,946,560.02/4,222.82
  6. Step 6: Final answer
    x = 5,433.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.