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Finding the Fourth Proportional to 8,250.54, 12,378.96 and 4,965.96

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Solution

The fourth proportional to 8,250.54, 12,378.96 and 4,965.96 is: 7,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.54 : 12,378.96 = 4,965.96 : x
  2. Step 2: Convert to fraction form
    8,250.54/12,378.96 = 4,965.96/x
  3. Step 3: Cross multiply
    8,250.54x = 12,378.96 × 4,965.96
  4. Step 4: Simplify right side
    8,250.54x = 61,473,420.20
  5. Step 5: Solve for x
    x = 61,473,420.20/8,250.54
  6. Step 6: Final answer
    x = 7,450.84

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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.