Home / 8,815.29-13,221.50-3,267.33

Finding the Fourth Proportional to 8,815.29, 13,221.50 and 3,267.33

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Solution

The fourth proportional to 8,815.29, 13,221.50 and 3,267.33 is: 4,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.29 : 13,221.50 = 3,267.33 : x
  2. Step 2: Convert to fraction form
    8,815.29/13,221.50 = 3,267.33/x
  3. Step 3: Cross multiply
    8,815.29x = 13,221.50 × 3,267.33
  4. Step 4: Simplify right side
    8,815.29x = 43,198,987.26
  5. Step 5: Solve for x
    x = 43,198,987.26/8,815.29
  6. Step 6: Final answer
    x = 4,900.46

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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.