Home / 7,684.14-11,517.57-3,571.50

Finding the Fourth Proportional to 7,684.14, 11,517.57 and 3,571.50

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Solution

The fourth proportional to 7,684.14, 11,517.57 and 3,571.50 is: 5,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.14 : 11,517.57 = 3,571.50 : x
  2. Step 2: Convert to fraction form
    7,684.14/11,517.57 = 3,571.50/x
  3. Step 3: Cross multiply
    7,684.14x = 11,517.57 × 3,571.50
  4. Step 4: Simplify right side
    7,684.14x = 41,135,001.26
  5. Step 5: Solve for x
    x = 41,135,001.26/7,684.14
  6. Step 6: Final answer
    x = 5,353.23

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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.