Home / 5,231.16-7,841.79-1,942.02

Finding the Fourth Proportional to 5,231.16, 7,841.79 and 1,942.02

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Solution

The fourth proportional to 5,231.16, 7,841.79 and 1,942.02 is: 2,911.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.16 : 7,841.79 = 1,942.02 : x
  2. Step 2: Convert to fraction form
    5,231.16/7,841.79 = 1,942.02/x
  3. Step 3: Cross multiply
    5,231.16x = 7,841.79 × 1,942.02
  4. Step 4: Simplify right side
    5,231.16x = 15,228,913.02
  5. Step 5: Solve for x
    x = 15,228,913.02/5,231.16
  6. Step 6: Final answer
    x = 2,911.19

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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.