Home / 8,819.64-13,233.78-3,627

Finding the Fourth Proportional to 8,819.64, 13,233.78 and 3,627

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Solution

The fourth proportional to 8,819.64, 13,233.78 and 3,627 is: 5,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.64 : 13,233.78 = 3,627 : x
  2. Step 2: Convert to fraction form
    8,819.64/13,233.78 = 3,627/x
  3. Step 3: Cross multiply
    8,819.64x = 13,233.78 × 3,627
  4. Step 4: Simplify right side
    8,819.64x = 47,998,920.06
  5. Step 5: Solve for x
    x = 47,998,920.06/8,819.64
  6. Step 6: Final answer
    x = 5,442.28

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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.