Home / 7,958.79-11,932.92-2,763.45

Finding the Fourth Proportional to 7,958.79, 11,932.92 and 2,763.45

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Solution

The fourth proportional to 7,958.79, 11,932.92 and 2,763.45 is: 4,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.79 : 11,932.92 = 2,763.45 : x
  2. Step 2: Convert to fraction form
    7,958.79/11,932.92 = 2,763.45/x
  3. Step 3: Cross multiply
    7,958.79x = 11,932.92 × 2,763.45
  4. Step 4: Simplify right side
    7,958.79x = 32,976,027.77
  5. Step 5: Solve for x
    x = 32,976,027.77/7,958.79
  6. Step 6: Final answer
    x = 4,143.35

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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.