Home / 8,917.43-13,377.66-3,072.67

Finding the Fourth Proportional to 8,917.43, 13,377.66 and 3,072.67

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Solution

The fourth proportional to 8,917.43, 13,377.66 and 3,072.67 is: 4,609.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.43 : 13,377.66 = 3,072.67 : x
  2. Step 2: Convert to fraction form
    8,917.43/13,377.66 = 3,072.67/x
  3. Step 3: Cross multiply
    8,917.43x = 13,377.66 × 3,072.67
  4. Step 4: Simplify right side
    8,917.43x = 41,105,134.55
  5. Step 5: Solve for x
    x = 41,105,134.55/8,917.43
  6. Step 6: Final answer
    x = 4,609.53

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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.