Home / 4,222.30-6,335.43-2,836.30

Finding the Fourth Proportional to 4,222.30, 6,335.43 and 2,836.30

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Solution

The fourth proportional to 4,222.30, 6,335.43 and 2,836.30 is: 4,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.30 : 6,335.43 = 2,836.30 : x
  2. Step 2: Convert to fraction form
    4,222.30/6,335.43 = 2,836.30/x
  3. Step 3: Cross multiply
    4,222.30x = 6,335.43 × 2,836.30
  4. Step 4: Simplify right side
    4,222.30x = 17,969,180.11
  5. Step 5: Solve for x
    x = 17,969,180.11/4,222.30
  6. Step 6: Final answer
    x = 4,255.78

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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.