Home / 5,451.72-7,519.12-3,658.61

Finding the Fourth Proportional to 5,451.72, 7,519.12 and 3,658.61

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Solution

The fourth proportional to 5,451.72, 7,519.12 and 3,658.61 is: 5,046.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.72 : 7,519.12 = 3,658.61 : x
  2. Step 2: Convert to fraction form
    5,451.72/7,519.12 = 3,658.61/x
  3. Step 3: Cross multiply
    5,451.72x = 7,519.12 × 3,658.61
  4. Step 4: Simplify right side
    5,451.72x = 27,509,527.62
  5. Step 5: Solve for x
    x = 27,509,527.62/5,451.72
  6. Step 6: Final answer
    x = 5,046.03

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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.