Home / 5,911.38-8,868.59-2,213.66

Finding the Fourth Proportional to 5,911.38, 8,868.59 and 2,213.66

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Solution

The fourth proportional to 5,911.38, 8,868.59 and 2,213.66 is: 3,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.38 : 8,868.59 = 2,213.66 : x
  2. Step 2: Convert to fraction form
    5,911.38/8,868.59 = 2,213.66/x
  3. Step 3: Cross multiply
    5,911.38x = 8,868.59 × 2,213.66
  4. Step 4: Simplify right side
    5,911.38x = 19,632,042.94
  5. Step 5: Solve for x
    x = 19,632,042.94/5,911.38
  6. Step 6: Final answer
    x = 3,321.06

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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.