Home / 8,717.87-13,072.71-3,167.34

Finding the Fourth Proportional to 8,717.87, 13,072.71 and 3,167.34

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Solution

The fourth proportional to 8,717.87, 13,072.71 and 3,167.34 is: 4,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.87 : 13,072.71 = 3,167.34 : x
  2. Step 2: Convert to fraction form
    8,717.87/13,072.71 = 3,167.34/x
  3. Step 3: Cross multiply
    8,717.87x = 13,072.71 × 3,167.34
  4. Step 4: Simplify right side
    8,717.87x = 41,405,717.29
  5. Step 5: Solve for x
    x = 41,405,717.29/8,717.87
  6. Step 6: Final answer
    x = 4,749.52

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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.