Home / 7,579.80-11,360.79-3,414.96

Finding the Fourth Proportional to 7,579.80, 11,360.79 and 3,414.96

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Solution

The fourth proportional to 7,579.80, 11,360.79 and 3,414.96 is: 5,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.80 : 11,360.79 = 3,414.96 : x
  2. Step 2: Convert to fraction form
    7,579.80/11,360.79 = 3,414.96/x
  3. Step 3: Cross multiply
    7,579.80x = 11,360.79 × 3,414.96
  4. Step 4: Simplify right side
    7,579.80x = 38,796,643.42
  5. Step 5: Solve for x
    x = 38,796,643.42/7,579.80
  6. Step 6: Final answer
    x = 5,118.43

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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.