Home / 8,511.47-12,767.19-2,668.54

Finding the Fourth Proportional to 8,511.47, 12,767.19 and 2,668.54

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Solution

The fourth proportional to 8,511.47, 12,767.19 and 2,668.54 is: 4,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.47 : 12,767.19 = 2,668.54 : x
  2. Step 2: Convert to fraction form
    8,511.47/12,767.19 = 2,668.54/x
  3. Step 3: Cross multiply
    8,511.47x = 12,767.19 × 2,668.54
  4. Step 4: Simplify right side
    8,511.47x = 34,069,757.20
  5. Step 5: Solve for x
    x = 34,069,757.20/8,511.47
  6. Step 6: Final answer
    x = 4,002.81

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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.