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Finding the Fourth Proportional to 4,361.88, 6,542.82 and 2,903.88

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Solution

The fourth proportional to 4,361.88, 6,542.82 and 2,903.88 is: 4,355.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,361.88 : 6,542.82 = 2,903.88 : x
  2. Step 2: Convert to fraction form
    4,361.88/6,542.82 = 2,903.88/x
  3. Step 3: Cross multiply
    4,361.88x = 6,542.82 × 2,903.88
  4. Step 4: Simplify right side
    4,361.88x = 18,999,564.14
  5. Step 5: Solve for x
    x = 18,999,564.14/4,361.88
  6. Step 6: Final answer
    x = 4,355.82

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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.