Home / 8,231.73-12,350.75-3,302.78

Finding the Fourth Proportional to 8,231.73, 12,350.75 and 3,302.78

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Solution

The fourth proportional to 8,231.73, 12,350.75 and 3,302.78 is: 4,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.73 : 12,350.75 = 3,302.78 : x
  2. Step 2: Convert to fraction form
    8,231.73/12,350.75 = 3,302.78/x
  3. Step 3: Cross multiply
    8,231.73x = 12,350.75 × 3,302.78
  4. Step 4: Simplify right side
    8,231.73x = 40,791,731.82
  5. Step 5: Solve for x
    x = 40,791,731.82/8,231.73
  6. Step 6: Final answer
    x = 4,955.43

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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.