Home / 8,879.22-13,315.03-3,328.72

Finding the Fourth Proportional to 8,879.22, 13,315.03 and 3,328.72

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Solution

The fourth proportional to 8,879.22, 13,315.03 and 3,328.72 is: 4,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.22 : 13,315.03 = 3,328.72 : x
  2. Step 2: Convert to fraction form
    8,879.22/13,315.03 = 3,328.72/x
  3. Step 3: Cross multiply
    8,879.22x = 13,315.03 × 3,328.72
  4. Step 4: Simplify right side
    8,879.22x = 44,322,021.22
  5. Step 5: Solve for x
    x = 44,322,021.22/8,879.22
  6. Step 6: Final answer
    x = 4,991.66

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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.