Home / 5,381.06-8,067.87-2,743.45

Finding the Fourth Proportional to 5,381.06, 8,067.87 and 2,743.45

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Solution

The fourth proportional to 5,381.06, 8,067.87 and 2,743.45 is: 4,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.06 : 8,067.87 = 2,743.45 : x
  2. Step 2: Convert to fraction form
    5,381.06/8,067.87 = 2,743.45/x
  3. Step 3: Cross multiply
    5,381.06x = 8,067.87 × 2,743.45
  4. Step 4: Simplify right side
    5,381.06x = 22,133,777.78
  5. Step 5: Solve for x
    x = 22,133,777.78/5,381.06
  6. Step 6: Final answer
    x = 4,113.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.