Home / 5,049.45-6,968.25-2,811.51

Finding the Fourth Proportional to 5,049.45, 6,968.25 and 2,811.51

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Solution

The fourth proportional to 5,049.45, 6,968.25 and 2,811.51 is: 3,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.45 : 6,968.25 = 2,811.51 : x
  2. Step 2: Convert to fraction form
    5,049.45/6,968.25 = 2,811.51/x
  3. Step 3: Cross multiply
    5,049.45x = 6,968.25 × 2,811.51
  4. Step 4: Simplify right side
    5,049.45x = 19,591,304.56
  5. Step 5: Solve for x
    x = 19,591,304.56/5,049.45
  6. Step 6: Final answer
    x = 3,879.89

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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.