Home / 8,816.96-12,163.56-5,458.88

Finding the Fourth Proportional to 8,816.96, 12,163.56 and 5,458.88

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Solution

The fourth proportional to 8,816.96, 12,163.56 and 5,458.88 is: 7,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.96 : 12,163.56 = 5,458.88 : x
  2. Step 2: Convert to fraction form
    8,816.96/12,163.56 = 5,458.88/x
  3. Step 3: Cross multiply
    8,816.96x = 12,163.56 × 5,458.88
  4. Step 4: Simplify right side
    8,816.96x = 66,399,414.41
  5. Step 5: Solve for x
    x = 66,399,414.41/8,816.96
  6. Step 6: Final answer
    x = 7,530.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.