Home / 7,361.40-11,022.66-3,891.36

Finding the Fourth Proportional to 7,361.40, 11,022.66 and 3,891.36

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Solution

The fourth proportional to 7,361.40, 11,022.66 and 3,891.36 is: 5,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.40 : 11,022.66 = 3,891.36 : x
  2. Step 2: Convert to fraction form
    7,361.40/11,022.66 = 3,891.36/x
  3. Step 3: Cross multiply
    7,361.40x = 11,022.66 × 3,891.36
  4. Step 4: Simplify right side
    7,361.40x = 42,893,138.22
  5. Step 5: Solve for x
    x = 42,893,138.22/7,361.40
  6. Step 6: Final answer
    x = 5,826.76

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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.