Home / 5,391.62-8,089.98-2,272.34

Finding the Fourth Proportional to 5,391.62, 8,089.98 and 2,272.34

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Solution

The fourth proportional to 5,391.62, 8,089.98 and 2,272.34 is: 3,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.62 : 8,089.98 = 2,272.34 : x
  2. Step 2: Convert to fraction form
    5,391.62/8,089.98 = 2,272.34/x
  3. Step 3: Cross multiply
    5,391.62x = 8,089.98 × 2,272.34
  4. Step 4: Simplify right side
    5,391.62x = 18,383,185.15
  5. Step 5: Solve for x
    x = 18,383,185.15/5,391.62
  6. Step 6: Final answer
    x = 3,409.58

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1.5x scale

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.