Home / 8,689.92-13,034.24-2,766.58

Finding the Fourth Proportional to 8,689.92, 13,034.24 and 2,766.58

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Solution

The fourth proportional to 8,689.92, 13,034.24 and 2,766.58 is: 4,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.92 : 13,034.24 = 2,766.58 : x
  2. Step 2: Convert to fraction form
    8,689.92/13,034.24 = 2,766.58/x
  3. Step 3: Cross multiply
    8,689.92x = 13,034.24 × 2,766.58
  4. Step 4: Simplify right side
    8,689.92x = 36,060,267.70
  5. Step 5: Solve for x
    x = 36,060,267.70/8,689.92
  6. Step 6: Final answer
    x = 4,149.67

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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.