Home / 4,091.73-5,648.40-2,766.21

Finding the Fourth Proportional to 4,091.73, 5,648.40 and 2,766.21

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Solution

The fourth proportional to 4,091.73, 5,648.40 and 2,766.21 is: 3,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.73 : 5,648.40 = 2,766.21 : x
  2. Step 2: Convert to fraction form
    4,091.73/5,648.40 = 2,766.21/x
  3. Step 3: Cross multiply
    4,091.73x = 5,648.40 × 2,766.21
  4. Step 4: Simplify right side
    4,091.73x = 15,624,660.56
  5. Step 5: Solve for x
    x = 15,624,660.56/4,091.73
  6. Step 6: Final answer
    x = 3,818.60

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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.