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Finding the Fourth Proportional to 5,786.88, 8,680.72 and 2,324.13

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Solution

The fourth proportional to 5,786.88, 8,680.72 and 2,324.13 is: 3,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.88 : 8,680.72 = 2,324.13 : x
  2. Step 2: Convert to fraction form
    5,786.88/8,680.72 = 2,324.13/x
  3. Step 3: Cross multiply
    5,786.88x = 8,680.72 × 2,324.13
  4. Step 4: Simplify right side
    5,786.88x = 20,175,121.77
  5. Step 5: Solve for x
    x = 20,175,121.77/5,786.88
  6. Step 6: Final answer
    x = 3,486.36

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1.5x scale

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.