Home / 7,579.88-11,358.06-5,105.96

Finding the Fourth Proportional to 7,579.88, 11,358.06 and 5,105.96

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Solution

The fourth proportional to 7,579.88, 11,358.06 and 5,105.96 is: 7,651.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.88 : 11,358.06 = 5,105.96 : x
  2. Step 2: Convert to fraction form
    7,579.88/11,358.06 = 5,105.96/x
  3. Step 3: Cross multiply
    7,579.88x = 11,358.06 × 5,105.96
  4. Step 4: Simplify right side
    7,579.88x = 57,993,800.04
  5. Step 5: Solve for x
    x = 57,993,800.04/7,579.88
  6. Step 6: Final answer
    x = 7,651.02

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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.