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Finding the Fourth Proportional to 8,892.36, 13,346.90 and 4,512.96

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Solution

The fourth proportional to 8,892.36, 13,346.90 and 4,512.96 is: 6,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.36 : 13,346.90 = 4,512.96 : x
  2. Step 2: Convert to fraction form
    8,892.36/13,346.90 = 4,512.96/x
  3. Step 3: Cross multiply
    8,892.36x = 13,346.90 × 4,512.96
  4. Step 4: Simplify right side
    8,892.36x = 60,234,025.82
  5. Step 5: Solve for x
    x = 60,234,025.82/8,892.36
  6. Step 6: Final answer
    x = 6,773.68

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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.