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Finding the Fourth Proportional to 8,068.05, 11,133.81 and 4,531.17

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Solution

The fourth proportional to 8,068.05, 11,133.81 and 4,531.17 is: 6,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.05 : 11,133.81 = 4,531.17 : x
  2. Step 2: Convert to fraction form
    8,068.05/11,133.81 = 4,531.17/x
  3. Step 3: Cross multiply
    8,068.05x = 11,133.81 × 4,531.17
  4. Step 4: Simplify right side
    8,068.05x = 50,449,185.86
  5. Step 5: Solve for x
    x = 50,449,185.86/8,068.05
  6. Step 6: Final answer
    x = 6,252.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.