Home / 4,413.49-6,620.39-2,221.02

Finding the Fourth Proportional to 4,413.49, 6,620.39 and 2,221.02

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Solution

The fourth proportional to 4,413.49, 6,620.39 and 2,221.02 is: 3,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.49 : 6,620.39 = 2,221.02 : x
  2. Step 2: Convert to fraction form
    4,413.49/6,620.39 = 2,221.02/x
  3. Step 3: Cross multiply
    4,413.49x = 6,620.39 × 2,221.02
  4. Step 4: Simplify right side
    4,413.49x = 14,704,018.60
  5. Step 5: Solve for x
    x = 14,704,018.60/4,413.49
  6. Step 6: Final answer
    x = 3,331.61

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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.