Home / 7,371.11-11,048.77-3,665.36

Finding the Fourth Proportional to 7,371.11, 11,048.77 and 3,665.36

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Solution

The fourth proportional to 7,371.11, 11,048.77 and 3,665.36 is: 5,494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.11 : 11,048.77 = 3,665.36 : x
  2. Step 2: Convert to fraction form
    7,371.11/11,048.77 = 3,665.36/x
  3. Step 3: Cross multiply
    7,371.11x = 11,048.77 × 3,665.36
  4. Step 4: Simplify right side
    7,371.11x = 40,497,738.07
  5. Step 5: Solve for x
    x = 40,497,738.07/7,371.11
  6. Step 6: Final answer
    x = 5,494.11

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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.