Home / 5,081.65-7,626.12-2,162.02

Finding the Fourth Proportional to 5,081.65, 7,626.12 and 2,162.02

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Solution

The fourth proportional to 5,081.65, 7,626.12 and 2,162.02 is: 3,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.65 : 7,626.12 = 2,162.02 : x
  2. Step 2: Convert to fraction form
    5,081.65/7,626.12 = 2,162.02/x
  3. Step 3: Cross multiply
    5,081.65x = 7,626.12 × 2,162.02
  4. Step 4: Simplify right side
    5,081.65x = 16,487,823.96
  5. Step 5: Solve for x
    x = 16,487,823.96/5,081.65
  6. Step 6: Final answer
    x = 3,244.58

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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.