Home / 8,227.18-12,342.57-3,842.23

Finding the Fourth Proportional to 8,227.18, 12,342.57 and 3,842.23

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Solution

The fourth proportional to 8,227.18, 12,342.57 and 3,842.23 is: 5,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.18 : 12,342.57 = 3,842.23 : x
  2. Step 2: Convert to fraction form
    8,227.18/12,342.57 = 3,842.23/x
  3. Step 3: Cross multiply
    8,227.18x = 12,342.57 × 3,842.23
  4. Step 4: Simplify right side
    8,227.18x = 47,422,992.73
  5. Step 5: Solve for x
    x = 47,422,992.73/8,227.18
  6. Step 6: Final answer
    x = 5,764.19

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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.