Home / 5,081.32-7,012.34-3,591.87

Finding the Fourth Proportional to 5,081.32, 7,012.34 and 3,591.87

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Solution

The fourth proportional to 5,081.32, 7,012.34 and 3,591.87 is: 4,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.32 : 7,012.34 = 3,591.87 : x
  2. Step 2: Convert to fraction form
    5,081.32/7,012.34 = 3,591.87/x
  3. Step 3: Cross multiply
    5,081.32x = 7,012.34 × 3,591.87
  4. Step 4: Simplify right side
    5,081.32x = 25,187,413.68
  5. Step 5: Solve for x
    x = 25,187,413.68/5,081.32
  6. Step 6: Final answer
    x = 4,956.86

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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.