Home / 5,439.88-8,159.82-2,361.88

Finding the Fourth Proportional to 5,439.88, 8,159.82 and 2,361.88

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Solution

The fourth proportional to 5,439.88, 8,159.82 and 2,361.88 is: 3,542.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.88 : 8,159.82 = 2,361.88 : x
  2. Step 2: Convert to fraction form
    5,439.88/8,159.82 = 2,361.88/x
  3. Step 3: Cross multiply
    5,439.88x = 8,159.82 × 2,361.88
  4. Step 4: Simplify right side
    5,439.88x = 19,272,515.66
  5. Step 5: Solve for x
    x = 19,272,515.66/5,439.88
  6. Step 6: Final answer
    x = 3,542.82

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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.