Home / 6,891.16-10,338.17-3,603.36

Finding the Fourth Proportional to 6,891.16, 10,338.17 and 3,603.36

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Solution

The fourth proportional to 6,891.16, 10,338.17 and 3,603.36 is: 5,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.16 : 10,338.17 = 3,603.36 : x
  2. Step 2: Convert to fraction form
    6,891.16/10,338.17 = 3,603.36/x
  3. Step 3: Cross multiply
    6,891.16x = 10,338.17 × 3,603.36
  4. Step 4: Simplify right side
    6,891.16x = 37,252,148.25
  5. Step 5: Solve for x
    x = 37,252,148.25/6,891.16
  6. Step 6: Final answer
    x = 5,405.79

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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.