Home / 8,766.06-13,144.17-2,919.54

Finding the Fourth Proportional to 8,766.06, 13,144.17 and 2,919.54

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Solution

The fourth proportional to 8,766.06, 13,144.17 and 2,919.54 is: 4,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.06 : 13,144.17 = 2,919.54 : x
  2. Step 2: Convert to fraction form
    8,766.06/13,144.17 = 2,919.54/x
  3. Step 3: Cross multiply
    8,766.06x = 13,144.17 × 2,919.54
  4. Step 4: Simplify right side
    8,766.06x = 38,374,930.08
  5. Step 5: Solve for x
    x = 38,374,930.08/8,766.06
  6. Step 6: Final answer
    x = 4,377.67

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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.