Home / 4,175.92-5,767.77-3,180.70

Finding the Fourth Proportional to 4,175.92, 5,767.77 and 3,180.70

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Solution

The fourth proportional to 4,175.92, 5,767.77 and 3,180.70 is: 4,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.92 : 5,767.77 = 3,180.70 : x
  2. Step 2: Convert to fraction form
    4,175.92/5,767.77 = 3,180.70/x
  3. Step 3: Cross multiply
    4,175.92x = 5,767.77 × 3,180.70
  4. Step 4: Simplify right side
    4,175.92x = 18,345,546.04
  5. Step 5: Solve for x
    x = 18,345,546.04/4,175.92
  6. Step 6: Final answer
    x = 4,393.17

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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.