Home / 8,760.68-13,133.21-3,212.73

Finding the Fourth Proportional to 8,760.68, 13,133.21 and 3,212.73

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Solution

The fourth proportional to 8,760.68, 13,133.21 and 3,212.73 is: 4,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.68 : 13,133.21 = 3,212.73 : x
  2. Step 2: Convert to fraction form
    8,760.68/13,133.21 = 3,212.73/x
  3. Step 3: Cross multiply
    8,760.68x = 13,133.21 × 3,212.73
  4. Step 4: Simplify right side
    8,760.68x = 42,193,441.70
  5. Step 5: Solve for x
    x = 42,193,441.70/8,760.68
  6. Step 6: Final answer
    x = 4,816.23

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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.