Home / 5,188.19-7,782.03-2,413.87

Finding the Fourth Proportional to 5,188.19, 7,782.03 and 2,413.87

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Solution

The fourth proportional to 5,188.19, 7,782.03 and 2,413.87 is: 3,620.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.19 : 7,782.03 = 2,413.87 : x
  2. Step 2: Convert to fraction form
    5,188.19/7,782.03 = 2,413.87/x
  3. Step 3: Cross multiply
    5,188.19x = 7,782.03 × 2,413.87
  4. Step 4: Simplify right side
    5,188.19x = 18,784,789.30
  5. Step 5: Solve for x
    x = 18,784,789.30/5,188.19
  6. Step 6: Final answer
    x = 3,620.69

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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.