Home / 8,261.30-12,388.82-3,329.26

Finding the Fourth Proportional to 8,261.30, 12,388.82 and 3,329.26

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Solution

The fourth proportional to 8,261.30, 12,388.82 and 3,329.26 is: 4,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.30 : 12,388.82 = 3,329.26 : x
  2. Step 2: Convert to fraction form
    8,261.30/12,388.82 = 3,329.26/x
  3. Step 3: Cross multiply
    8,261.30x = 12,388.82 × 3,329.26
  4. Step 4: Simplify right side
    8,261.30x = 41,245,602.87
  5. Step 5: Solve for x
    x = 41,245,602.87/8,261.30
  6. Step 6: Final answer
    x = 4,992.63

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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.