Home / 7,643.08-11,463.14-3,481.92

Finding the Fourth Proportional to 7,643.08, 11,463.14 and 3,481.92

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Solution

The fourth proportional to 7,643.08, 11,463.14 and 3,481.92 is: 5,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.08 : 11,463.14 = 3,481.92 : x
  2. Step 2: Convert to fraction form
    7,643.08/11,463.14 = 3,481.92/x
  3. Step 3: Cross multiply
    7,643.08x = 11,463.14 × 3,481.92
  4. Step 4: Simplify right side
    7,643.08x = 39,913,736.43
  5. Step 5: Solve for x
    x = 39,913,736.43/7,643.08
  6. Step 6: Final answer
    x = 5,222.21

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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.