Home / 5,219.82-7,829.73-3,163.50

Finding the Fourth Proportional to 5,219.82, 7,829.73 and 3,163.50

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Solution

The fourth proportional to 5,219.82, 7,829.73 and 3,163.50 is: 4,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.82 : 7,829.73 = 3,163.50 : x
  2. Step 2: Convert to fraction form
    5,219.82/7,829.73 = 3,163.50/x
  3. Step 3: Cross multiply
    5,219.82x = 7,829.73 × 3,163.50
  4. Step 4: Simplify right side
    5,219.82x = 24,769,350.86
  5. Step 5: Solve for x
    x = 24,769,350.86/5,219.82
  6. Step 6: Final answer
    x = 4,745.25

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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.