Home / 8,767.73-13,157.34-3,221.12

Finding the Fourth Proportional to 8,767.73, 13,157.34 and 3,221.12

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Solution

The fourth proportional to 8,767.73, 13,157.34 and 3,221.12 is: 4,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.73 : 13,157.34 = 3,221.12 : x
  2. Step 2: Convert to fraction form
    8,767.73/13,157.34 = 3,221.12/x
  3. Step 3: Cross multiply
    8,767.73x = 13,157.34 × 3,221.12
  4. Step 4: Simplify right side
    8,767.73x = 42,381,371.02
  5. Step 5: Solve for x
    x = 42,381,371.02/8,767.73
  6. Step 6: Final answer
    x = 4,833.79

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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.