Home / 4,048.80-6,069.60-3,611.40

Finding the Fourth Proportional to 4,048.80, 6,069.60 and 3,611.40

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Solution

The fourth proportional to 4,048.80, 6,069.60 and 3,611.40 is: 5,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.80 : 6,069.60 = 3,611.40 : x
  2. Step 2: Convert to fraction form
    4,048.80/6,069.60 = 3,611.40/x
  3. Step 3: Cross multiply
    4,048.80x = 6,069.60 × 3,611.40
  4. Step 4: Simplify right side
    4,048.80x = 21,919,753.44
  5. Step 5: Solve for x
    x = 21,919,753.44/4,048.80
  6. Step 6: Final answer
    x = 5,413.89

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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.