Home / 4,413.88-6,620.68-1,335.88

Finding the Fourth Proportional to 4,413.88, 6,620.68 and 1,335.88

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Solution

The fourth proportional to 4,413.88, 6,620.68 and 1,335.88 is: 2,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.88 : 6,620.68 = 1,335.88 : x
  2. Step 2: Convert to fraction form
    4,413.88/6,620.68 = 1,335.88/x
  3. Step 3: Cross multiply
    4,413.88x = 6,620.68 × 1,335.88
  4. Step 4: Simplify right side
    4,413.88x = 8,844,434.00
  5. Step 5: Solve for x
    x = 8,844,434.00/4,413.88
  6. Step 6: Final answer
    x = 2,003.78

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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.