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Finding the Fourth Proportional to 8,797.10, 13,195.65 and 8,408.30

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Solution

The fourth proportional to 8,797.10, 13,195.65 and 8,408.30 is: 12,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.10 : 13,195.65 = 8,408.30 : x
  2. Step 2: Convert to fraction form
    8,797.10/13,195.65 = 8,408.30/x
  3. Step 3: Cross multiply
    8,797.10x = 13,195.65 × 8,408.30
  4. Step 4: Simplify right side
    8,797.10x = 110,952,983.90
  5. Step 5: Solve for x
    x = 110,952,983.90/8,797.10
  6. Step 6: Final answer
    x = 12,612.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.