Home / 8,388.82-12,582.51-3,945.44

Finding the Fourth Proportional to 8,388.82, 12,582.51 and 3,945.44

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Solution

The fourth proportional to 8,388.82, 12,582.51 and 3,945.44 is: 5,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.82 : 12,582.51 = 3,945.44 : x
  2. Step 2: Convert to fraction form
    8,388.82/12,582.51 = 3,945.44/x
  3. Step 3: Cross multiply
    8,388.82x = 12,582.51 × 3,945.44
  4. Step 4: Simplify right side
    8,388.82x = 49,643,569.09
  5. Step 5: Solve for x
    x = 49,643,569.09/8,388.82
  6. Step 6: Final answer
    x = 5,917.82

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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.