Home / 8,879.45-13,317.68-3,255.95

Finding the Fourth Proportional to 8,879.45, 13,317.68 and 3,255.95

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Solution

The fourth proportional to 8,879.45, 13,317.68 and 3,255.95 is: 4,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.45 : 13,317.68 = 3,255.95 : x
  2. Step 2: Convert to fraction form
    8,879.45/13,317.68 = 3,255.95/x
  3. Step 3: Cross multiply
    8,879.45x = 13,317.68 × 3,255.95
  4. Step 4: Simplify right side
    8,879.45x = 43,361,741.63
  5. Step 5: Solve for x
    x = 43,361,741.63/8,879.45
  6. Step 6: Final answer
    x = 4,883.38

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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.