Home / 5,458.15-8,187.21-3,608.86

Finding the Fourth Proportional to 5,458.15, 8,187.21 and 3,608.86

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Solution

The fourth proportional to 5,458.15, 8,187.21 and 3,608.86 is: 5,413.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.15 : 8,187.21 = 3,608.86 : x
  2. Step 2: Convert to fraction form
    5,458.15/8,187.21 = 3,608.86/x
  3. Step 3: Cross multiply
    5,458.15x = 8,187.21 × 3,608.86
  4. Step 4: Simplify right side
    5,458.15x = 29,546,494.68
  5. Step 5: Solve for x
    x = 29,546,494.68/5,458.15
  6. Step 6: Final answer
    x = 5,413.28

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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.