Home / 5,887.21-8,124.30-3,198.37

Finding the Fourth Proportional to 5,887.21, 8,124.30 and 3,198.37

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Solution

The fourth proportional to 5,887.21, 8,124.30 and 3,198.37 is: 4,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.21 : 8,124.30 = 3,198.37 : x
  2. Step 2: Convert to fraction form
    5,887.21/8,124.30 = 3,198.37/x
  3. Step 3: Cross multiply
    5,887.21x = 8,124.30 × 3,198.37
  4. Step 4: Simplify right side
    5,887.21x = 25,984,517.39
  5. Step 5: Solve for x
    x = 25,984,517.39/5,887.21
  6. Step 6: Final answer
    x = 4,413.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.