Home / 7,977.26-11,964.96-2,134.33

Finding the Fourth Proportional to 7,977.26, 11,964.96 and 2,134.33

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Solution

The fourth proportional to 7,977.26, 11,964.96 and 2,134.33 is: 3,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.26 : 11,964.96 = 2,134.33 : x
  2. Step 2: Convert to fraction form
    7,977.26/11,964.96 = 2,134.33/x
  3. Step 3: Cross multiply
    7,977.26x = 11,964.96 × 2,134.33
  4. Step 4: Simplify right side
    7,977.26x = 25,537,173.08
  5. Step 5: Solve for x
    x = 25,537,173.08/7,977.26
  6. Step 6: Final answer
    x = 3,201.25

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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.