Home / 8,216.12-11,338.14-4,489.88

Finding the Fourth Proportional to 8,216.12, 11,338.14 and 4,489.88

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Solution

The fourth proportional to 8,216.12, 11,338.14 and 4,489.88 is: 6,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.12 : 11,338.14 = 4,489.88 : x
  2. Step 2: Convert to fraction form
    8,216.12/11,338.14 = 4,489.88/x
  3. Step 3: Cross multiply
    8,216.12x = 11,338.14 × 4,489.88
  4. Step 4: Simplify right side
    8,216.12x = 50,906,888.02
  5. Step 5: Solve for x
    x = 50,906,888.02/8,216.12
  6. Step 6: Final answer
    x = 6,195.98

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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.