Home / 4,015.74-5,543.11-2,760.95

Finding the Fourth Proportional to 4,015.74, 5,543.11 and 2,760.95

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Solution

The fourth proportional to 4,015.74, 5,543.11 and 2,760.95 is: 3,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.74 : 5,543.11 = 2,760.95 : x
  2. Step 2: Convert to fraction form
    4,015.74/5,543.11 = 2,760.95/x
  3. Step 3: Cross multiply
    4,015.74x = 5,543.11 × 2,760.95
  4. Step 4: Simplify right side
    4,015.74x = 15,304,249.55
  5. Step 5: Solve for x
    x = 15,304,249.55/4,015.74
  6. Step 6: Final answer
    x = 3,811.07

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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.