Home / 5,199.68-7,175.68-2,842

Finding the Fourth Proportional to 5,199.68, 7,175.68 and 2,842

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Solution

The fourth proportional to 5,199.68, 7,175.68 and 2,842 is: 3,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.68 : 7,175.68 = 2,842 : x
  2. Step 2: Convert to fraction form
    5,199.68/7,175.68 = 2,842/x
  3. Step 3: Cross multiply
    5,199.68x = 7,175.68 × 2,842
  4. Step 4: Simplify right side
    5,199.68x = 20,393,282.56
  5. Step 5: Solve for x
    x = 20,393,282.56/5,199.68
  6. Step 6: Final answer
    x = 3,922.03

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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.