Home / 7,977.44-11,965.32-2,134.64

Finding the Fourth Proportional to 7,977.44, 11,965.32 and 2,134.64

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Solution

The fourth proportional to 7,977.44, 11,965.32 and 2,134.64 is: 3,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.44 : 11,965.32 = 2,134.64 : x
  2. Step 2: Convert to fraction form
    7,977.44/11,965.32 = 2,134.64/x
  3. Step 3: Cross multiply
    7,977.44x = 11,965.32 × 2,134.64
  4. Step 4: Simplify right side
    7,977.44x = 25,541,650.68
  5. Step 5: Solve for x
    x = 25,541,650.68/7,977.44
  6. Step 6: Final answer
    x = 3,201.74

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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.