Home / 6,880.59-10,321.11-2,721.65

Finding the Fourth Proportional to 6,880.59, 10,321.11 and 2,721.65

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Solution

The fourth proportional to 6,880.59, 10,321.11 and 2,721.65 is: 4,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.59 : 10,321.11 = 2,721.65 : x
  2. Step 2: Convert to fraction form
    6,880.59/10,321.11 = 2,721.65/x
  3. Step 3: Cross multiply
    6,880.59x = 10,321.11 × 2,721.65
  4. Step 4: Simplify right side
    6,880.59x = 28,090,397.43
  5. Step 5: Solve for x
    x = 28,090,397.43/6,880.59
  6. Step 6: Final answer
    x = 4,082.56

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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.