Home / 7,880.45-11,819.57-2,334.38

Finding the Fourth Proportional to 7,880.45, 11,819.57 and 2,334.38

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Solution

The fourth proportional to 7,880.45, 11,819.57 and 2,334.38 is: 3,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.45 : 11,819.57 = 2,334.38 : x
  2. Step 2: Convert to fraction form
    7,880.45/11,819.57 = 2,334.38/x
  3. Step 3: Cross multiply
    7,880.45x = 11,819.57 × 2,334.38
  4. Step 4: Simplify right side
    7,880.45x = 27,591,297.05
  5. Step 5: Solve for x
    x = 27,591,297.05/7,880.45
  6. Step 6: Final answer
    x = 3,501.24

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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.