Home / 5,198.81-7,796.93-2,422.85

Finding the Fourth Proportional to 5,198.81, 7,796.93 and 2,422.85

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Solution

The fourth proportional to 5,198.81, 7,796.93 and 2,422.85 is: 3,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.81 : 7,796.93 = 2,422.85 : x
  2. Step 2: Convert to fraction form
    5,198.81/7,796.93 = 2,422.85/x
  3. Step 3: Cross multiply
    5,198.81x = 7,796.93 × 2,422.85
  4. Step 4: Simplify right side
    5,198.81x = 18,890,740.75
  5. Step 5: Solve for x
    x = 18,890,740.75/5,198.81
  6. Step 6: Final answer
    x = 3,633.67

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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.