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Finding the Fourth Proportional to 8,302.68, 12,450.50 and 2,754.54

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Solution

The fourth proportional to 8,302.68, 12,450.50 and 2,754.54 is: 4,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.68 : 12,450.50 = 2,754.54 : x
  2. Step 2: Convert to fraction form
    8,302.68/12,450.50 = 2,754.54/x
  3. Step 3: Cross multiply
    8,302.68x = 12,450.50 × 2,754.54
  4. Step 4: Simplify right side
    8,302.68x = 34,295,400.27
  5. Step 5: Solve for x
    x = 34,295,400.27/8,302.68
  6. Step 6: Final answer
    x = 4,130.64

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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.