Home / 5,519.13-7,616.37-3,161.22

Finding the Fourth Proportional to 5,519.13, 7,616.37 and 3,161.22

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Solution

The fourth proportional to 5,519.13, 7,616.37 and 3,161.22 is: 4,362.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.13 : 7,616.37 = 3,161.22 : x
  2. Step 2: Convert to fraction form
    5,519.13/7,616.37 = 3,161.22/x
  3. Step 3: Cross multiply
    5,519.13x = 7,616.37 × 3,161.22
  4. Step 4: Simplify right side
    5,519.13x = 24,077,021.17
  5. Step 5: Solve for x
    x = 24,077,021.17/5,519.13
  6. Step 6: Final answer
    x = 4,362.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.