Home / 5,619.66-7,755.22-3,230.04

Finding the Fourth Proportional to 5,619.66, 7,755.22 and 3,230.04

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Solution

The fourth proportional to 5,619.66, 7,755.22 and 3,230.04 is: 4,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.66 : 7,755.22 = 3,230.04 : x
  2. Step 2: Convert to fraction form
    5,619.66/7,755.22 = 3,230.04/x
  3. Step 3: Cross multiply
    5,619.66x = 7,755.22 × 3,230.04
  4. Step 4: Simplify right side
    5,619.66x = 25,049,670.81
  5. Step 5: Solve for x
    x = 25,049,670.81/5,619.66
  6. Step 6: Final answer
    x = 4,457.51

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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.