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Finding the Fourth Proportional to 5,512, 8,265.94 and 2,223.30

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Solution

The fourth proportional to 5,512, 8,265.94 and 2,223.30 is: 3,334.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512 : 8,265.94 = 2,223.30 : x
  2. Step 2: Convert to fraction form
    5,512/8,265.94 = 2,223.30/x
  3. Step 3: Cross multiply
    5,512x = 8,265.94 × 2,223.30
  4. Step 4: Simplify right side
    5,512x = 18,377,664.40
  5. Step 5: Solve for x
    x = 18,377,664.40/5,512
  6. Step 6: Final answer
    x = 3,334.12

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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.