Home / 7,964.64-11,933.76-2,767.68

Finding the Fourth Proportional to 7,964.64, 11,933.76 and 2,767.68

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Solution

The fourth proportional to 7,964.64, 11,933.76 and 2,767.68 is: 4,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.64 : 11,933.76 = 2,767.68 : x
  2. Step 2: Convert to fraction form
    7,964.64/11,933.76 = 2,767.68/x
  3. Step 3: Cross multiply
    7,964.64x = 11,933.76 × 2,767.68
  4. Step 4: Simplify right side
    7,964.64x = 33,028,828.88
  5. Step 5: Solve for x
    x = 33,028,828.88/7,964.64
  6. Step 6: Final answer
    x = 4,146.93

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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.