Home / 6,880.62-10,318.74-2,721.72

Finding the Fourth Proportional to 6,880.62, 10,318.74 and 2,721.72

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Solution

The fourth proportional to 6,880.62, 10,318.74 and 2,721.72 is: 4,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.62 : 10,318.74 = 2,721.72 : x
  2. Step 2: Convert to fraction form
    6,880.62/10,318.74 = 2,721.72/x
  3. Step 3: Cross multiply
    6,880.62x = 10,318.74 × 2,721.72
  4. Step 4: Simplify right side
    6,880.62x = 28,084,721.03
  5. Step 5: Solve for x
    x = 28,084,721.03/6,880.62
  6. Step 6: Final answer
    x = 4,081.71

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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.