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Finding the Fourth Proportional to 6,676.88, 10,015.86 and 2,059.88

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Solution

The fourth proportional to 6,676.88, 10,015.86 and 2,059.88 is: 3,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,676.88 : 10,015.86 = 2,059.88 : x
  2. Step 2: Convert to fraction form
    6,676.88/10,015.86 = 2,059.88/x
  3. Step 3: Cross multiply
    6,676.88x = 10,015.86 × 2,059.88
  4. Step 4: Simplify right side
    6,676.88x = 20,631,419.62
  5. Step 5: Solve for x
    x = 20,631,419.62/6,676.88
  6. Step 6: Final answer
    x = 3,089.98

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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.