Home / 7,914.23-11,867.87-3,755.42

Finding the Fourth Proportional to 7,914.23, 11,867.87 and 3,755.42

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Solution

The fourth proportional to 7,914.23, 11,867.87 and 3,755.42 is: 5,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.23 : 11,867.87 = 3,755.42 : x
  2. Step 2: Convert to fraction form
    7,914.23/11,867.87 = 3,755.42/x
  3. Step 3: Cross multiply
    7,914.23x = 11,867.87 × 3,755.42
  4. Step 4: Simplify right side
    7,914.23x = 44,568,816.07
  5. Step 5: Solve for x
    x = 44,568,816.07/7,914.23
  6. Step 6: Final answer
    x = 5,631.48

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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.