Home / 7,928.91-11,884.46-3,765.51

Finding the Fourth Proportional to 7,928.91, 11,884.46 and 3,765.51

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Solution

The fourth proportional to 7,928.91, 11,884.46 and 3,765.51 is: 5,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.91 : 11,884.46 = 3,765.51 : x
  2. Step 2: Convert to fraction form
    7,928.91/11,884.46 = 3,765.51/x
  3. Step 3: Cross multiply
    7,928.91x = 11,884.46 × 3,765.51
  4. Step 4: Simplify right side
    7,928.91x = 44,751,034.15
  5. Step 5: Solve for x
    x = 44,751,034.15/7,928.91
  6. Step 6: Final answer
    x = 5,644.03

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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.