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Finding the Fourth Proportional to 8,133.75, 12,200.76 and 3,516.75

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Solution

The fourth proportional to 8,133.75, 12,200.76 and 3,516.75 is: 5,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.75 : 12,200.76 = 3,516.75 : x
  2. Step 2: Convert to fraction form
    8,133.75/12,200.76 = 3,516.75/x
  3. Step 3: Cross multiply
    8,133.75x = 12,200.76 × 3,516.75
  4. Step 4: Simplify right side
    8,133.75x = 42,907,022.73
  5. Step 5: Solve for x
    x = 42,907,022.73/8,133.75
  6. Step 6: Final answer
    x = 5,275.18

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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.