Home / 8,664.75-13,002.89-3,192.75

Finding the Fourth Proportional to 8,664.75, 13,002.89 and 3,192.75

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Solution

The fourth proportional to 8,664.75, 13,002.89 and 3,192.75 is: 4,791.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.75 : 13,002.89 = 3,192.75 : x
  2. Step 2: Convert to fraction form
    8,664.75/13,002.89 = 3,192.75/x
  3. Step 3: Cross multiply
    8,664.75x = 13,002.89 × 3,192.75
  4. Step 4: Simplify right side
    8,664.75x = 41,514,961.08
  5. Step 5: Solve for x
    x = 41,514,961.08/8,664.75
  6. Step 6: Final answer
    x = 4,791.25

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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.