Home / 4,928.08-7,391.85-2,979.76

Finding the Fourth Proportional to 4,928.08, 7,391.85 and 2,979.76

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Solution

The fourth proportional to 4,928.08, 7,391.85 and 2,979.76 is: 4,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.08 : 7,391.85 = 2,979.76 : x
  2. Step 2: Convert to fraction form
    4,928.08/7,391.85 = 2,979.76/x
  3. Step 3: Cross multiply
    4,928.08x = 7,391.85 × 2,979.76
  4. Step 4: Simplify right side
    4,928.08x = 22,025,938.96
  5. Step 5: Solve for x
    x = 22,025,938.96/4,928.08
  6. Step 6: Final answer
    x = 4,469.48

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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.