Home / 4,413.41-6,620.03-1,780.86

Finding the Fourth Proportional to 4,413.41, 6,620.03 and 1,780.86

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Solution

The fourth proportional to 4,413.41, 6,620.03 and 1,780.86 is: 2,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.41 : 6,620.03 = 1,780.86 : x
  2. Step 2: Convert to fraction form
    4,413.41/6,620.03 = 1,780.86/x
  3. Step 3: Cross multiply
    4,413.41x = 6,620.03 × 1,780.86
  4. Step 4: Simplify right side
    4,413.41x = 11,789,346.63
  5. Step 5: Solve for x
    x = 11,789,346.63/4,413.41
  6. Step 6: Final answer
    x = 2,671.26

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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.