Home / 8,858.54-13,273.37-5,163.90

Finding the Fourth Proportional to 8,858.54, 13,273.37 and 5,163.90

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Solution

The fourth proportional to 8,858.54, 13,273.37 and 5,163.90 is: 7,737.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.54 : 13,273.37 = 5,163.90 : x
  2. Step 2: Convert to fraction form
    8,858.54/13,273.37 = 5,163.90/x
  3. Step 3: Cross multiply
    8,858.54x = 13,273.37 × 5,163.90
  4. Step 4: Simplify right side
    8,858.54x = 68,542,299.11
  5. Step 5: Solve for x
    x = 68,542,299.11/8,858.54
  6. Step 6: Final answer
    x = 7,737.42

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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.