Home / 4,380.88-6,045.62-2,808.97

Finding the Fourth Proportional to 4,380.88, 6,045.62 and 2,808.97

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Solution

The fourth proportional to 4,380.88, 6,045.62 and 2,808.97 is: 3,876.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.88 : 6,045.62 = 2,808.97 : x
  2. Step 2: Convert to fraction form
    4,380.88/6,045.62 = 2,808.97/x
  3. Step 3: Cross multiply
    4,380.88x = 6,045.62 × 2,808.97
  4. Step 4: Simplify right side
    4,380.88x = 16,981,965.21
  5. Step 5: Solve for x
    x = 16,981,965.21/4,380.88
  6. Step 6: Final answer
    x = 3,876.38

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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.