Home / 5,175.55-7,745.10-3,608.20

Finding the Fourth Proportional to 5,175.55, 7,745.10 and 3,608.20

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Solution

The fourth proportional to 5,175.55, 7,745.10 and 3,608.20 is: 5,399.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.55 : 7,745.10 = 3,608.20 : x
  2. Step 2: Convert to fraction form
    5,175.55/7,745.10 = 3,608.20/x
  3. Step 3: Cross multiply
    5,175.55x = 7,745.10 × 3,608.20
  4. Step 4: Simplify right side
    5,175.55x = 27,945,869.82
  5. Step 5: Solve for x
    x = 27,945,869.82/5,175.55
  6. Step 6: Final answer
    x = 5,399.59

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1.5x scale

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.