Home / 8,224.84-12,341.31-3,842.61

Finding the Fourth Proportional to 8,224.84, 12,341.31 and 3,842.61

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Solution

The fourth proportional to 8,224.84, 12,341.31 and 3,842.61 is: 5,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.84 : 12,341.31 = 3,842.61 : x
  2. Step 2: Convert to fraction form
    8,224.84/12,341.31 = 3,842.61/x
  3. Step 3: Cross multiply
    8,224.84x = 12,341.31 × 3,842.61
  4. Step 4: Simplify right side
    8,224.84x = 47,422,841.22
  5. Step 5: Solve for x
    x = 47,422,841.22/8,224.84
  6. Step 6: Final answer
    x = 5,765.81

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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.