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Finding the Fourth Proportional to 8,408.02, 12,612.02 and 4,662.09

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Solution

The fourth proportional to 8,408.02, 12,612.02 and 4,662.09 is: 6,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.02 : 12,612.02 = 4,662.09 : x
  2. Step 2: Convert to fraction form
    8,408.02/12,612.02 = 4,662.09/x
  3. Step 3: Cross multiply
    8,408.02x = 12,612.02 × 4,662.09
  4. Step 4: Simplify right side
    8,408.02x = 58,798,375.24
  5. Step 5: Solve for x
    x = 58,798,375.24/8,408.02
  6. Step 6: Final answer
    x = 6,993.13

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1.5x scale

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.