Home / 6,245.70-8,618.97-3,413.02

Finding the Fourth Proportional to 6,245.70, 8,618.97 and 3,413.02

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Solution

The fourth proportional to 6,245.70, 8,618.97 and 3,413.02 is: 4,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.70 : 8,618.97 = 3,413.02 : x
  2. Step 2: Convert to fraction form
    6,245.70/8,618.97 = 3,413.02/x
  3. Step 3: Cross multiply
    6,245.70x = 8,618.97 × 3,413.02
  4. Step 4: Simplify right side
    6,245.70x = 29,416,662.22
  5. Step 5: Solve for x
    x = 29,416,662.22/6,245.70
  6. Step 6: Final answer
    x = 4,709.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.