Home / 9,361.10-14,042.37-2,786.78

Finding the Fourth Proportional to 9,361.10, 14,042.37 and 2,786.78

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Solution

The fourth proportional to 9,361.10, 14,042.37 and 2,786.78 is: 4,180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.10 : 14,042.37 = 2,786.78 : x
  2. Step 2: Convert to fraction form
    9,361.10/14,042.37 = 2,786.78/x
  3. Step 3: Cross multiply
    9,361.10x = 14,042.37 × 2,786.78
  4. Step 4: Simplify right side
    9,361.10x = 39,132,995.87
  5. Step 5: Solve for x
    x = 39,132,995.87/9,361.10
  6. Step 6: Final answer
    x = 4,180.38

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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.