Home / 5,457.20-8,185.82-3,619.98

Finding the Fourth Proportional to 5,457.20, 8,185.82 and 3,619.98

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Solution

The fourth proportional to 5,457.20, 8,185.82 and 3,619.98 is: 5,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.20 : 8,185.82 = 3,619.98 : x
  2. Step 2: Convert to fraction form
    5,457.20/8,185.82 = 3,619.98/x
  3. Step 3: Cross multiply
    5,457.20x = 8,185.82 × 3,619.98
  4. Step 4: Simplify right side
    5,457.20x = 29,632,504.68
  5. Step 5: Solve for x
    x = 29,632,504.68/5,457.20
  6. Step 6: Final answer
    x = 5,429.98

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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.