Home / 5,609.76-8,403.66-3,413.04

Finding the Fourth Proportional to 5,609.76, 8,403.66 and 3,413.04

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Solution

The fourth proportional to 5,609.76, 8,403.66 and 3,413.04 is: 5,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.76 : 8,403.66 = 3,413.04 : x
  2. Step 2: Convert to fraction form
    5,609.76/8,403.66 = 3,413.04/x
  3. Step 3: Cross multiply
    5,609.76x = 8,403.66 × 3,413.04
  4. Step 4: Simplify right side
    5,609.76x = 28,682,027.73
  5. Step 5: Solve for x
    x = 28,682,027.73/5,609.76
  6. Step 6: Final answer
    x = 5,112.88

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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.