Home / 8,198.08-12,277.05-3,816.79

Finding the Fourth Proportional to 8,198.08, 12,277.05 and 3,816.79

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Solution

The fourth proportional to 8,198.08, 12,277.05 and 3,816.79 is: 5,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.08 : 12,277.05 = 3,816.79 : x
  2. Step 2: Convert to fraction form
    8,198.08/12,277.05 = 3,816.79/x
  3. Step 3: Cross multiply
    8,198.08x = 12,277.05 × 3,816.79
  4. Step 4: Simplify right side
    8,198.08x = 46,858,921.67
  5. Step 5: Solve for x
    x = 46,858,921.67/8,198.08
  6. Step 6: Final answer
    x = 5,715.84

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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.