Home / 8,261.27-12,388.66-3,329.99

Finding the Fourth Proportional to 8,261.27, 12,388.66 and 3,329.99

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Solution

The fourth proportional to 8,261.27, 12,388.66 and 3,329.99 is: 4,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.27 : 12,388.66 = 3,329.99 : x
  2. Step 2: Convert to fraction form
    8,261.27/12,388.66 = 3,329.99/x
  3. Step 3: Cross multiply
    8,261.27x = 12,388.66 × 3,329.99
  4. Step 4: Simplify right side
    8,261.27x = 41,254,113.91
  5. Step 5: Solve for x
    x = 41,254,113.91/8,261.27
  6. Step 6: Final answer
    x = 4,993.68

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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.