Home / 7,181.97-9,910.91-4,351.02

Finding the Fourth Proportional to 7,181.97, 9,910.91 and 4,351.02

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Solution

The fourth proportional to 7,181.97, 9,910.91 and 4,351.02 is: 6,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.97 : 9,910.91 = 4,351.02 : x
  2. Step 2: Convert to fraction form
    7,181.97/9,910.91 = 4,351.02/x
  3. Step 3: Cross multiply
    7,181.97x = 9,910.91 × 4,351.02
  4. Step 4: Simplify right side
    7,181.97x = 43,122,545.87
  5. Step 5: Solve for x
    x = 43,122,545.87/7,181.97
  6. Step 6: Final answer
    x = 6,004.28

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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.