Home / 5,231.16-7,846.74-2,151.48

Finding the Fourth Proportional to 5,231.16, 7,846.74 and 2,151.48

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Solution

The fourth proportional to 5,231.16, 7,846.74 and 2,151.48 is: 3,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.16 : 7,846.74 = 2,151.48 : x
  2. Step 2: Convert to fraction form
    5,231.16/7,846.74 = 2,151.48/x
  3. Step 3: Cross multiply
    5,231.16x = 7,846.74 × 2,151.48
  4. Step 4: Simplify right side
    5,231.16x = 16,882,104.18
  5. Step 5: Solve for x
    x = 16,882,104.18/5,231.16
  6. Step 6: Final answer
    x = 3,227.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.