Home / 4,811.82-7,205.27-4,122.90

Finding the Fourth Proportional to 4,811.82, 7,205.27 and 4,122.90

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Solution

The fourth proportional to 4,811.82, 7,205.27 and 4,122.90 is: 6,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.82 : 7,205.27 = 4,122.90 : x
  2. Step 2: Convert to fraction form
    4,811.82/7,205.27 = 4,122.90/x
  3. Step 3: Cross multiply
    4,811.82x = 7,205.27 × 4,122.90
  4. Step 4: Simplify right side
    4,811.82x = 29,706,607.68
  5. Step 5: Solve for x
    x = 29,706,607.68/4,811.82
  6. Step 6: Final answer
    x = 6,173.67

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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.