Home / 8,237.73-12,359.75-3,308.78

Finding the Fourth Proportional to 8,237.73, 12,359.75 and 3,308.78

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Solution

The fourth proportional to 8,237.73, 12,359.75 and 3,308.78 is: 4,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.73 : 12,359.75 = 3,308.78 : x
  2. Step 2: Convert to fraction form
    8,237.73/12,359.75 = 3,308.78/x
  3. Step 3: Cross multiply
    8,237.73x = 12,359.75 × 3,308.78
  4. Step 4: Simplify right side
    8,237.73x = 40,895,615.26
  5. Step 5: Solve for x
    x = 40,895,615.26/8,237.73
  6. Step 6: Final answer
    x = 4,964.43

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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.