Home / 4,413.20-6,619.80-2,226.20

Finding the Fourth Proportional to 4,413.20, 6,619.80 and 2,226.20

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Solution

The fourth proportional to 4,413.20, 6,619.80 and 2,226.20 is: 3,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.20 : 6,619.80 = 2,226.20 : x
  2. Step 2: Convert to fraction form
    4,413.20/6,619.80 = 2,226.20/x
  3. Step 3: Cross multiply
    4,413.20x = 6,619.80 × 2,226.20
  4. Step 4: Simplify right side
    4,413.20x = 14,736,998.76
  5. Step 5: Solve for x
    x = 14,736,998.76/4,413.20
  6. Step 6: Final answer
    x = 3,339.30

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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.