Home / 4,813.83-7,221.96-2,218.59

Finding the Fourth Proportional to 4,813.83, 7,221.96 and 2,218.59

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Solution

The fourth proportional to 4,813.83, 7,221.96 and 2,218.59 is: 3,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.83 : 7,221.96 = 2,218.59 : x
  2. Step 2: Convert to fraction form
    4,813.83/7,221.96 = 2,218.59/x
  3. Step 3: Cross multiply
    4,813.83x = 7,221.96 × 2,218.59
  4. Step 4: Simplify right side
    4,813.83x = 16,022,568.24
  5. Step 5: Solve for x
    x = 16,022,568.24/4,813.83
  6. Step 6: Final answer
    x = 3,328.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.