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Finding the Fourth Proportional to 8,493.40, 12,735.23 and 3,293.20

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Solution

The fourth proportional to 8,493.40, 12,735.23 and 3,293.20 is: 4,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.40 : 12,735.23 = 3,293.20 : x
  2. Step 2: Convert to fraction form
    8,493.40/12,735.23 = 3,293.20/x
  3. Step 3: Cross multiply
    8,493.40x = 12,735.23 × 3,293.20
  4. Step 4: Simplify right side
    8,493.40x = 41,939,659.44
  5. Step 5: Solve for x
    x = 41,939,659.44/8,493.40
  6. Step 6: Final answer
    x = 4,937.91

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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.