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Finding the Fourth Proportional to 5,505, 8,257.56 and 1,401

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Solution

The fourth proportional to 5,505, 8,257.56 and 1,401 is: 2,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505 : 8,257.56 = 1,401 : x
  2. Step 2: Convert to fraction form
    5,505/8,257.56 = 1,401/x
  3. Step 3: Cross multiply
    5,505x = 8,257.56 × 1,401
  4. Step 4: Simplify right side
    5,505x = 11,568,841.56
  5. Step 5: Solve for x
    x = 11,568,841.56/5,505
  6. Step 6: Final answer
    x = 2,101.52

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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.