Home / 8,712.54-13,067.73-3,165.66

Finding the Fourth Proportional to 8,712.54, 13,067.73 and 3,165.66

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Solution

The fourth proportional to 8,712.54, 13,067.73 and 3,165.66 is: 4,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.54 : 13,067.73 = 3,165.66 : x
  2. Step 2: Convert to fraction form
    8,712.54/13,067.73 = 3,165.66/x
  3. Step 3: Cross multiply
    8,712.54x = 13,067.73 × 3,165.66
  4. Step 4: Simplify right side
    8,712.54x = 41,367,990.15
  5. Step 5: Solve for x
    x = 41,367,990.15/8,712.54
  6. Step 6: Final answer
    x = 4,748.10

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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.