Home / 8,388.38-12,582.82-3,458.41

Finding the Fourth Proportional to 8,388.38, 12,582.82 and 3,458.41

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Solution

The fourth proportional to 8,388.38, 12,582.82 and 3,458.41 is: 5,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.38 : 12,582.82 = 3,458.41 : x
  2. Step 2: Convert to fraction form
    8,388.38/12,582.82 = 3,458.41/x
  3. Step 3: Cross multiply
    8,388.38x = 12,582.82 × 3,458.41
  4. Step 4: Simplify right side
    8,388.38x = 43,516,523.38
  5. Step 5: Solve for x
    x = 43,516,523.38/8,388.38
  6. Step 6: Final answer
    x = 5,187.71

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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.