Home / 7,928.82-11,883.78-3,248.64

Finding the Fourth Proportional to 7,928.82, 11,883.78 and 3,248.64

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Solution

The fourth proportional to 7,928.82, 11,883.78 and 3,248.64 is: 4,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.82 : 11,883.78 = 3,248.64 : x
  2. Step 2: Convert to fraction form
    7,928.82/11,883.78 = 3,248.64/x
  3. Step 3: Cross multiply
    7,928.82x = 11,883.78 × 3,248.64
  4. Step 4: Simplify right side
    7,928.82x = 38,606,123.06
  5. Step 5: Solve for x
    x = 38,606,123.06/7,928.82
  6. Step 6: Final answer
    x = 4,869.09

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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.