Home / 5,231.09-7,218.87-2,873.27

Finding the Fourth Proportional to 5,231.09, 7,218.87 and 2,873.27

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Solution

The fourth proportional to 5,231.09, 7,218.87 and 2,873.27 is: 3,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.09 : 7,218.87 = 2,873.27 : x
  2. Step 2: Convert to fraction form
    5,231.09/7,218.87 = 2,873.27/x
  3. Step 3: Cross multiply
    5,231.09x = 7,218.87 × 2,873.27
  4. Step 4: Simplify right side
    5,231.09x = 20,741,726.51
  5. Step 5: Solve for x
    x = 20,741,726.51/5,231.09
  6. Step 6: Final answer
    x = 3,965.09

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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.