Home / 6,240.78-9,361.71-2,543.27

Finding the Fourth Proportional to 6,240.78, 9,361.71 and 2,543.27

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Solution

The fourth proportional to 6,240.78, 9,361.71 and 2,543.27 is: 3,815.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.78 : 9,361.71 = 2,543.27 : x
  2. Step 2: Convert to fraction form
    6,240.78/9,361.71 = 2,543.27/x
  3. Step 3: Cross multiply
    6,240.78x = 9,361.71 × 2,543.27
  4. Step 4: Simplify right side
    6,240.78x = 23,809,309.38
  5. Step 5: Solve for x
    x = 23,809,309.38/6,240.78
  6. Step 6: Final answer
    x = 3,815.12

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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.