Home / 6,926.08-10,380.86-3,998.20

Finding the Fourth Proportional to 6,926.08, 10,380.86 and 3,998.20

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Solution

The fourth proportional to 6,926.08, 10,380.86 and 3,998.20 is: 5,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926.08 : 10,380.86 = 3,998.20 : x
  2. Step 2: Convert to fraction form
    6,926.08/10,380.86 = 3,998.20/x
  3. Step 3: Cross multiply
    6,926.08x = 10,380.86 × 3,998.20
  4. Step 4: Simplify right side
    6,926.08x = 41,504,754.45
  5. Step 5: Solve for x
    x = 41,504,754.45/6,926.08
  6. Step 6: Final answer
    x = 5,992.53

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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.