Home / 5,207.62-7,188.89-3,321.79

Finding the Fourth Proportional to 5,207.62, 7,188.89 and 3,321.79

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Solution

The fourth proportional to 5,207.62, 7,188.89 and 3,321.79 is: 4,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.62 : 7,188.89 = 3,321.79 : x
  2. Step 2: Convert to fraction form
    5,207.62/7,188.89 = 3,321.79/x
  3. Step 3: Cross multiply
    5,207.62x = 7,188.89 × 3,321.79
  4. Step 4: Simplify right side
    5,207.62x = 23,879,982.91
  5. Step 5: Solve for x
    x = 23,879,982.91/5,207.62
  6. Step 6: Final answer
    x = 4,585.58

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1.5x scale

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.