Home / 7,956.78-11,935.18-2,759

Finding the Fourth Proportional to 7,956.78, 11,935.18 and 2,759

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Solution

The fourth proportional to 7,956.78, 11,935.18 and 2,759 is: 4,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.78 : 11,935.18 = 2,759 : x
  2. Step 2: Convert to fraction form
    7,956.78/11,935.18 = 2,759/x
  3. Step 3: Cross multiply
    7,956.78x = 11,935.18 × 2,759
  4. Step 4: Simplify right side
    7,956.78x = 32,929,161.62
  5. Step 5: Solve for x
    x = 32,929,161.62/7,956.78
  6. Step 6: Final answer
    x = 4,138.50

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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.