Home / 8,516.16-12,769.12-3,251.52

Finding the Fourth Proportional to 8,516.16, 12,769.12 and 3,251.52

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Solution

The fourth proportional to 8,516.16, 12,769.12 and 3,251.52 is: 4,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.16 : 12,769.12 = 3,251.52 : x
  2. Step 2: Convert to fraction form
    8,516.16/12,769.12 = 3,251.52/x
  3. Step 3: Cross multiply
    8,516.16x = 12,769.12 × 3,251.52
  4. Step 4: Simplify right side
    8,516.16x = 41,519,049.06
  5. Step 5: Solve for x
    x = 41,519,049.06/8,516.16
  6. Step 6: Final answer
    x = 4,875.33

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1.5x scale

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.