Home / 7,716.09-11,564.85-3,550.36

Finding the Fourth Proportional to 7,716.09, 11,564.85 and 3,550.36

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Solution

The fourth proportional to 7,716.09, 11,564.85 and 3,550.36 is: 5,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.09 : 11,564.85 = 3,550.36 : x
  2. Step 2: Convert to fraction form
    7,716.09/11,564.85 = 3,550.36/x
  3. Step 3: Cross multiply
    7,716.09x = 11,564.85 × 3,550.36
  4. Step 4: Simplify right side
    7,716.09x = 41,059,380.85
  5. Step 5: Solve for x
    x = 41,059,380.85/7,716.09
  6. Step 6: Final answer
    x = 5,321.27

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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.