Home / 8,680.72-13,021.92-2,837.44

Finding the Fourth Proportional to 8,680.72, 13,021.92 and 2,837.44

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Solution

The fourth proportional to 8,680.72, 13,021.92 and 2,837.44 is: 4,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.72 : 13,021.92 = 2,837.44 : x
  2. Step 2: Convert to fraction form
    8,680.72/13,021.92 = 2,837.44/x
  3. Step 3: Cross multiply
    8,680.72x = 13,021.92 × 2,837.44
  4. Step 4: Simplify right side
    8,680.72x = 36,948,916.68
  5. Step 5: Solve for x
    x = 36,948,916.68/8,680.72
  6. Step 6: Final answer
    x = 4,256.43

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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.