Home / 4,908.09-6,775.68-3,786.51

Finding the Fourth Proportional to 4,908.09, 6,775.68 and 3,786.51

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Solution

The fourth proportional to 4,908.09, 6,775.68 and 3,786.51 is: 5,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.09 : 6,775.68 = 3,786.51 : x
  2. Step 2: Convert to fraction form
    4,908.09/6,775.68 = 3,786.51/x
  3. Step 3: Cross multiply
    4,908.09x = 6,775.68 × 3,786.51
  4. Step 4: Simplify right side
    4,908.09x = 25,656,180.08
  5. Step 5: Solve for x
    x = 25,656,180.08/4,908.09
  6. Step 6: Final answer
    x = 5,227.32

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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.