Home / 8,513.62-12,767.27-2,965.54

Finding the Fourth Proportional to 8,513.62, 12,767.27 and 2,965.54

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Solution

The fourth proportional to 8,513.62, 12,767.27 and 2,965.54 is: 4,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.62 : 12,767.27 = 2,965.54 : x
  2. Step 2: Convert to fraction form
    8,513.62/12,767.27 = 2,965.54/x
  3. Step 3: Cross multiply
    8,513.62x = 12,767.27 × 2,965.54
  4. Step 4: Simplify right side
    8,513.62x = 37,861,849.88
  5. Step 5: Solve for x
    x = 37,861,849.88/8,513.62
  6. Step 6: Final answer
    x = 4,447.21

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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.