Home / 8,815.91-13,223.73-3,550.80

Finding the Fourth Proportional to 8,815.91, 13,223.73 and 3,550.80

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Solution

The fourth proportional to 8,815.91, 13,223.73 and 3,550.80 is: 5,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.91 : 13,223.73 = 3,550.80 : x
  2. Step 2: Convert to fraction form
    8,815.91/13,223.73 = 3,550.80/x
  3. Step 3: Cross multiply
    8,815.91x = 13,223.73 × 3,550.80
  4. Step 4: Simplify right side
    8,815.91x = 46,954,778.55
  5. Step 5: Solve for x
    x = 46,954,778.55/8,815.91
  6. Step 6: Final answer
    x = 5,326.14

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1.5x scale

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.