Home / 7,928.68-11,893.13-3,769.11

Finding the Fourth Proportional to 7,928.68, 11,893.13 and 3,769.11

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Solution

The fourth proportional to 7,928.68, 11,893.13 and 3,769.11 is: 5,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.68 : 11,893.13 = 3,769.11 : x
  2. Step 2: Convert to fraction form
    7,928.68/11,893.13 = 3,769.11/x
  3. Step 3: Cross multiply
    7,928.68x = 11,893.13 × 3,769.11
  4. Step 4: Simplify right side
    7,928.68x = 44,826,515.21
  5. Step 5: Solve for x
    x = 44,826,515.21/7,928.68
  6. Step 6: Final answer
    x = 5,653.72

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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.