Home / 5,257.27-7,885.89-3,608.80

Finding the Fourth Proportional to 5,257.27, 7,885.89 and 3,608.80

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Solution

The fourth proportional to 5,257.27, 7,885.89 and 3,608.80 is: 5,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.27 : 7,885.89 = 3,608.80 : x
  2. Step 2: Convert to fraction form
    5,257.27/7,885.89 = 3,608.80/x
  3. Step 3: Cross multiply
    5,257.27x = 7,885.89 × 3,608.80
  4. Step 4: Simplify right side
    5,257.27x = 28,458,599.83
  5. Step 5: Solve for x
    x = 28,458,599.83/5,257.27
  6. Step 6: Final answer
    x = 5,413.19

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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.