Home / 5,413.24-8,122.36-2,945.12

Finding the Fourth Proportional to 5,413.24, 8,122.36 and 2,945.12

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Solution

The fourth proportional to 5,413.24, 8,122.36 and 2,945.12 is: 4,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.24 : 8,122.36 = 2,945.12 : x
  2. Step 2: Convert to fraction form
    5,413.24/8,122.36 = 2,945.12/x
  3. Step 3: Cross multiply
    5,413.24x = 8,122.36 × 2,945.12
  4. Step 4: Simplify right side
    5,413.24x = 23,921,282.43
  5. Step 5: Solve for x
    x = 23,921,282.43/5,413.24
  6. Step 6: Final answer
    x = 4,419.04

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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.