Home / 10,610.82-15,916.32-2,819.64

Finding the Fourth Proportional to 10,610.82, 15,916.32 and 2,819.64

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Solution

The fourth proportional to 10,610.82, 15,916.32 and 2,819.64 is: 4,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.82 : 15,916.32 = 2,819.64 : x
  2. Step 2: Convert to fraction form
    10,610.82/15,916.32 = 2,819.64/x
  3. Step 3: Cross multiply
    10,610.82x = 15,916.32 × 2,819.64
  4. Step 4: Simplify right side
    10,610.82x = 44,878,292.52
  5. Step 5: Solve for x
    x = 44,878,292.52/10,610.82
  6. Step 6: Final answer
    x = 4,229.48

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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.