Home / 7,410.23-11,115.92-2,479.88

Finding the Fourth Proportional to 7,410.23, 11,115.92 and 2,479.88

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Solution

The fourth proportional to 7,410.23, 11,115.92 and 2,479.88 is: 3,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.23 : 11,115.92 = 2,479.88 : x
  2. Step 2: Convert to fraction form
    7,410.23/11,115.92 = 2,479.88/x
  3. Step 3: Cross multiply
    7,410.23x = 11,115.92 × 2,479.88
  4. Step 4: Simplify right side
    7,410.23x = 27,566,181.68
  5. Step 5: Solve for x
    x = 27,566,181.68/7,410.23
  6. Step 6: Final answer
    x = 3,720.02

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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.