Home / 5,231.39-7,219.19-2,873.48

Finding the Fourth Proportional to 5,231.39, 7,219.19 and 2,873.48

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Solution

The fourth proportional to 5,231.39, 7,219.19 and 2,873.48 is: 3,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.39 : 7,219.19 = 2,873.48 : x
  2. Step 2: Convert to fraction form
    5,231.39/7,219.19 = 2,873.48/x
  3. Step 3: Cross multiply
    5,231.39x = 7,219.19 × 2,873.48
  4. Step 4: Simplify right side
    5,231.39x = 20,744,169.17
  5. Step 5: Solve for x
    x = 20,744,169.17/5,231.39
  6. Step 6: Final answer
    x = 3,965.33

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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.