Home / 5,231.19-7,219.16-2,873.38

Finding the Fourth Proportional to 5,231.19, 7,219.16 and 2,873.38

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Solution

The fourth proportional to 5,231.19, 7,219.16 and 2,873.38 is: 3,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.19 : 7,219.16 = 2,873.38 : x
  2. Step 2: Convert to fraction form
    5,231.19/7,219.16 = 2,873.38/x
  3. Step 3: Cross multiply
    5,231.19x = 7,219.16 × 2,873.38
  4. Step 4: Simplify right side
    5,231.19x = 20,743,389.96
  5. Step 5: Solve for x
    x = 20,743,389.96/5,231.19
  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.