Home / 7,884.33-11,816.27-3,198.88

Finding the Fourth Proportional to 7,884.33, 11,816.27 and 3,198.88

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Solution

The fourth proportional to 7,884.33, 11,816.27 and 3,198.88 is: 4,794.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.33 : 11,816.27 = 3,198.88 : x
  2. Step 2: Convert to fraction form
    7,884.33/11,816.27 = 3,198.88/x
  3. Step 3: Cross multiply
    7,884.33x = 11,816.27 × 3,198.88
  4. Step 4: Simplify right side
    7,884.33x = 37,798,829.78
  5. Step 5: Solve for x
    x = 37,798,829.78/7,884.33
  6. Step 6: Final answer
    x = 4,794.17

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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.