Home / 5,453.03-8,174.68-2,163.89

Finding the Fourth Proportional to 5,453.03, 8,174.68 and 2,163.89

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Solution

The fourth proportional to 5,453.03, 8,174.68 and 2,163.89 is: 3,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.03 : 8,174.68 = 2,163.89 : x
  2. Step 2: Convert to fraction form
    5,453.03/8,174.68 = 2,163.89/x
  3. Step 3: Cross multiply
    5,453.03x = 8,174.68 × 2,163.89
  4. Step 4: Simplify right side
    5,453.03x = 17,689,062.02
  5. Step 5: Solve for x
    x = 17,689,062.02/5,453.03
  6. Step 6: Final answer
    x = 3,243.90

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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.