Home / 4,918.27-7,378.31-2,144.42

Finding the Fourth Proportional to 4,918.27, 7,378.31 and 2,144.42

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Solution

The fourth proportional to 4,918.27, 7,378.31 and 2,144.42 is: 3,217.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.27 : 7,378.31 = 2,144.42 : x
  2. Step 2: Convert to fraction form
    4,918.27/7,378.31 = 2,144.42/x
  3. Step 3: Cross multiply
    4,918.27x = 7,378.31 × 2,144.42
  4. Step 4: Simplify right side
    4,918.27x = 15,822,219.34
  5. Step 5: Solve for x
    x = 15,822,219.34/4,918.27
  6. Step 6: Final answer
    x = 3,217.03

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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.