Home / 6,600.12-9,902.45-3,829.21

Finding the Fourth Proportional to 6,600.12, 9,902.45 and 3,829.21

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Solution

The fourth proportional to 6,600.12, 9,902.45 and 3,829.21 is: 5,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.12 : 9,902.45 = 3,829.21 : x
  2. Step 2: Convert to fraction form
    6,600.12/9,902.45 = 3,829.21/x
  3. Step 3: Cross multiply
    6,600.12x = 9,902.45 × 3,829.21
  4. Step 4: Simplify right side
    6,600.12x = 37,918,545.38
  5. Step 5: Solve for x
    x = 37,918,545.38/6,600.12
  6. Step 6: Final answer
    x = 5,745.13

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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.