Home / 3,647.11-5,020.85-3,479.73

Finding the Fourth Proportional to 3,647.11, 5,020.85 and 3,479.73

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Solution

The fourth proportional to 3,647.11, 5,020.85 and 3,479.73 is: 4,790.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.11 : 5,020.85 = 3,479.73 : x
  2. Step 2: Convert to fraction form
    3,647.11/5,020.85 = 3,479.73/x
  3. Step 3: Cross multiply
    3,647.11x = 5,020.85 × 3,479.73
  4. Step 4: Simplify right side
    3,647.11x = 17,471,202.37
  5. Step 5: Solve for x
    x = 17,471,202.37/3,647.11
  6. Step 6: Final answer
    x = 4,790.42

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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.