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Finding the Fourth Proportional to 5,985.26, 8,978.19 and 2,287.82

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Solution

The fourth proportional to 5,985.26, 8,978.19 and 2,287.82 is: 3,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.26 : 8,978.19 = 2,287.82 : x
  2. Step 2: Convert to fraction form
    5,985.26/8,978.19 = 2,287.82/x
  3. Step 3: Cross multiply
    5,985.26x = 8,978.19 × 2,287.82
  4. Step 4: Simplify right side
    5,985.26x = 20,540,437.75
  5. Step 5: Solve for x
    x = 20,540,437.75/5,985.26
  6. Step 6: Final answer
    x = 3,431.84

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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.