Home / 5,981.72-8,249.40-3,743.80

Finding the Fourth Proportional to 5,981.72, 8,249.40 and 3,743.80

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Solution

The fourth proportional to 5,981.72, 8,249.40 and 3,743.80 is: 5,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.72 : 8,249.40 = 3,743.80 : x
  2. Step 2: Convert to fraction form
    5,981.72/8,249.40 = 3,743.80/x
  3. Step 3: Cross multiply
    5,981.72x = 8,249.40 × 3,743.80
  4. Step 4: Simplify right side
    5,981.72x = 30,884,140.03
  5. Step 5: Solve for x
    x = 30,884,140.03/5,981.72
  6. Step 6: Final answer
    x = 5,163.08

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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.