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Finding the Fourth Proportional to 8,303.44, 12,455.14 and 2,757.21

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Solution

The fourth proportional to 8,303.44, 12,455.14 and 2,757.21 is: 4,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.44 : 12,455.14 = 2,757.21 : x
  2. Step 2: Convert to fraction form
    8,303.44/12,455.14 = 2,757.21/x
  3. Step 3: Cross multiply
    8,303.44x = 12,455.14 × 2,757.21
  4. Step 4: Simplify right side
    8,303.44x = 34,341,360.50
  5. Step 5: Solve for x
    x = 34,341,360.50/8,303.44
  6. Step 6: Final answer
    x = 4,135.80

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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.