Home / 9,205.14-13,805.38-2,631.36

Finding the Fourth Proportional to 9,205.14, 13,805.38 and 2,631.36

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Solution

The fourth proportional to 9,205.14, 13,805.38 and 2,631.36 is: 3,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.14 : 13,805.38 = 2,631.36 : x
  2. Step 2: Convert to fraction form
    9,205.14/13,805.38 = 2,631.36/x
  3. Step 3: Cross multiply
    9,205.14x = 13,805.38 × 2,631.36
  4. Step 4: Simplify right side
    9,205.14x = 36,326,924.72
  5. Step 5: Solve for x
    x = 36,326,924.72/9,205.14
  6. Step 6: Final answer
    x = 3,946.37

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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.