Home / 8,718.12-13,073.04-3,167.54

Finding the Fourth Proportional to 8,718.12, 13,073.04 and 3,167.54

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Solution

The fourth proportional to 8,718.12, 13,073.04 and 3,167.54 is: 4,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.12 : 13,073.04 = 3,167.54 : x
  2. Step 2: Convert to fraction form
    8,718.12/13,073.04 = 3,167.54/x
  3. Step 3: Cross multiply
    8,718.12x = 13,073.04 × 3,167.54
  4. Step 4: Simplify right side
    8,718.12x = 41,409,377.12
  5. Step 5: Solve for x
    x = 41,409,377.12/8,718.12
  6. Step 6: Final answer
    x = 4,749.81

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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.