Home / 7,977.06-11,964.78-2,134.26

Finding the Fourth Proportional to 7,977.06, 11,964.78 and 2,134.26

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Solution

The fourth proportional to 7,977.06, 11,964.78 and 2,134.26 is: 3,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.06 : 11,964.78 = 2,134.26 : x
  2. Step 2: Convert to fraction form
    7,977.06/11,964.78 = 2,134.26/x
  3. Step 3: Cross multiply
    7,977.06x = 11,964.78 × 2,134.26
  4. Step 4: Simplify right side
    7,977.06x = 25,535,951.36
  5. Step 5: Solve for x
    x = 25,535,951.36/7,977.06
  6. Step 6: Final answer
    x = 3,201.17

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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.