Home / 5,120.92-7,066.97-3,025.05

Finding the Fourth Proportional to 5,120.92, 7,066.97 and 3,025.05

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Solution

The fourth proportional to 5,120.92, 7,066.97 and 3,025.05 is: 4,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120.92 : 7,066.97 = 3,025.05 : x
  2. Step 2: Convert to fraction form
    5,120.92/7,066.97 = 3,025.05/x
  3. Step 3: Cross multiply
    5,120.92x = 7,066.97 × 3,025.05
  4. Step 4: Simplify right side
    5,120.92x = 21,377,937.60
  5. Step 5: Solve for x
    x = 21,377,937.60/5,120.92
  6. Step 6: Final answer
    x = 4,174.63

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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.