Home / 4,781.08-7,168.83-1,855.97

Finding the Fourth Proportional to 4,781.08, 7,168.83 and 1,855.97

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Solution

The fourth proportional to 4,781.08, 7,168.83 and 1,855.97 is: 2,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.08 : 7,168.83 = 1,855.97 : x
  2. Step 2: Convert to fraction form
    4,781.08/7,168.83 = 1,855.97/x
  3. Step 3: Cross multiply
    4,781.08x = 7,168.83 × 1,855.97
  4. Step 4: Simplify right side
    4,781.08x = 13,305,097.57
  5. Step 5: Solve for x
    x = 13,305,097.57/4,781.08
  6. Step 6: Final answer
    x = 2,782.87

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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.