Home / 5,309.27-7,326.78-2,919.22

Finding the Fourth Proportional to 5,309.27, 7,326.78 and 2,919.22

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Solution

The fourth proportional to 5,309.27, 7,326.78 and 2,919.22 is: 4,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.27 : 7,326.78 = 2,919.22 : x
  2. Step 2: Convert to fraction form
    5,309.27/7,326.78 = 2,919.22/x
  3. Step 3: Cross multiply
    5,309.27x = 7,326.78 × 2,919.22
  4. Step 4: Simplify right side
    5,309.27x = 21,388,446.08
  5. Step 5: Solve for x
    x = 21,388,446.08/5,309.27
  6. Step 6: Final answer
    x = 4,028.51

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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.