Home / 4,140.33-5,712.26-2,811.73

Finding the Fourth Proportional to 4,140.33, 5,712.26 and 2,811.73

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Solution

The fourth proportional to 4,140.33, 5,712.26 and 2,811.73 is: 3,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.33 : 5,712.26 = 2,811.73 : x
  2. Step 2: Convert to fraction form
    4,140.33/5,712.26 = 2,811.73/x
  3. Step 3: Cross multiply
    4,140.33x = 5,712.26 × 2,811.73
  4. Step 4: Simplify right side
    4,140.33x = 16,061,325.56
  5. Step 5: Solve for x
    x = 16,061,325.56/4,140.33
  6. Step 6: Final answer
    x = 3,879.24

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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.