Home / 3,627.05-5,007.65-2,786.13

Finding the Fourth Proportional to 3,627.05, 5,007.65 and 2,786.13

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Solution

The fourth proportional to 3,627.05, 5,007.65 and 2,786.13 is: 3,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.05 : 5,007.65 = 2,786.13 : x
  2. Step 2: Convert to fraction form
    3,627.05/5,007.65 = 2,786.13/x
  3. Step 3: Cross multiply
    3,627.05x = 5,007.65 × 2,786.13
  4. Step 4: Simplify right side
    3,627.05x = 13,951,949.96
  5. Step 5: Solve for x
    x = 13,951,949.96/3,627.05
  6. Step 6: Final answer
    x = 3,846.64

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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.