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Finding the Fourth Proportional to 5,984.88, 8,978.61 and 1,824.78

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Solution

The fourth proportional to 5,984.88, 8,978.61 and 1,824.78 is: 2,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,984.88 : 8,978.61 = 1,824.78 : x
  2. Step 2: Convert to fraction form
    5,984.88/8,978.61 = 1,824.78/x
  3. Step 3: Cross multiply
    5,984.88x = 8,978.61 × 1,824.78
  4. Step 4: Simplify right side
    5,984.88x = 16,383,987.96
  5. Step 5: Solve for x
    x = 16,383,987.96/5,984.88
  6. Step 6: Final answer
    x = 2,737.56

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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.