Home / 5,739.91-7,919.04-3,751.61

Finding the Fourth Proportional to 5,739.91, 7,919.04 and 3,751.61

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Solution

The fourth proportional to 5,739.91, 7,919.04 and 3,751.61 is: 5,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.91 : 7,919.04 = 3,751.61 : x
  2. Step 2: Convert to fraction form
    5,739.91/7,919.04 = 3,751.61/x
  3. Step 3: Cross multiply
    5,739.91x = 7,919.04 × 3,751.61
  4. Step 4: Simplify right side
    5,739.91x = 29,709,160.07
  5. Step 5: Solve for x
    x = 29,709,160.07/5,739.91
  6. Step 6: Final answer
    x = 5,175.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.