Home / 5,081.62-7,623.60-2,160.04

Finding the Fourth Proportional to 5,081.62, 7,623.60 and 2,160.04

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Solution

The fourth proportional to 5,081.62, 7,623.60 and 2,160.04 is: 3,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.62 : 7,623.60 = 2,160.04 : x
  2. Step 2: Convert to fraction form
    5,081.62/7,623.60 = 2,160.04/x
  3. Step 3: Cross multiply
    5,081.62x = 7,623.60 × 2,160.04
  4. Step 4: Simplify right side
    5,081.62x = 16,467,280.94
  5. Step 5: Solve for x
    x = 16,467,280.94/5,081.62
  6. Step 6: Final answer
    x = 3,240.56

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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.