Home / 5,079.36-7,619.04-2,305.92

Finding the Fourth Proportional to 5,079.36, 7,619.04 and 2,305.92

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Solution

The fourth proportional to 5,079.36, 7,619.04 and 2,305.92 is: 3,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.36 : 7,619.04 = 2,305.92 : x
  2. Step 2: Convert to fraction form
    5,079.36/7,619.04 = 2,305.92/x
  3. Step 3: Cross multiply
    5,079.36x = 7,619.04 × 2,305.92
  4. Step 4: Simplify right side
    5,079.36x = 17,568,896.72
  5. Step 5: Solve for x
    x = 17,568,896.72/5,079.36
  6. Step 6: Final answer
    x = 3,458.88

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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.