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Finding the Fourth Proportional to 6,512.50, 9,770.37 and 1,895.50

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Solution

The fourth proportional to 6,512.50, 9,770.37 and 1,895.50 is: 2,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.50 : 9,770.37 = 1,895.50 : x
  2. Step 2: Convert to fraction form
    6,512.50/9,770.37 = 1,895.50/x
  3. Step 3: Cross multiply
    6,512.50x = 9,770.37 × 1,895.50
  4. Step 4: Simplify right side
    6,512.50x = 18,519,736.34
  5. Step 5: Solve for x
    x = 18,519,736.34/6,512.50
  6. Step 6: Final answer
    x = 2,843.72

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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.