Home / 8,281.31-12,422.43-3,350.84

Finding the Fourth Proportional to 8,281.31, 12,422.43 and 3,350.84

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Solution

The fourth proportional to 8,281.31, 12,422.43 and 3,350.84 is: 5,026.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.31 : 12,422.43 = 3,350.84 : x
  2. Step 2: Convert to fraction form
    8,281.31/12,422.43 = 3,350.84/x
  3. Step 3: Cross multiply
    8,281.31x = 12,422.43 × 3,350.84
  4. Step 4: Simplify right side
    8,281.31x = 41,625,513.23
  5. Step 5: Solve for x
    x = 41,625,513.23/8,281.31
  6. Step 6: Final answer
    x = 5,026.44

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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.