Home / 7,849.26-11,772.06-2,921.22

Finding the Fourth Proportional to 7,849.26, 11,772.06 and 2,921.22

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Solution

The fourth proportional to 7,849.26, 11,772.06 and 2,921.22 is: 4,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.26 : 11,772.06 = 2,921.22 : x
  2. Step 2: Convert to fraction form
    7,849.26/11,772.06 = 2,921.22/x
  3. Step 3: Cross multiply
    7,849.26x = 11,772.06 × 2,921.22
  4. Step 4: Simplify right side
    7,849.26x = 34,388,777.11
  5. Step 5: Solve for x
    x = 34,388,777.11/7,849.26
  6. Step 6: Final answer
    x = 4,381.15

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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.