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Finding the Fourth Proportional to 8,068.14, 11,133.72 and 4,531.14

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Solution

The fourth proportional to 8,068.14, 11,133.72 and 4,531.14 is: 6,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.14 : 11,133.72 = 4,531.14 : x
  2. Step 2: Convert to fraction form
    8,068.14/11,133.72 = 4,531.14/x
  3. Step 3: Cross multiply
    8,068.14x = 11,133.72 × 4,531.14
  4. Step 4: Simplify right side
    8,068.14x = 50,448,444.04
  5. Step 5: Solve for x
    x = 50,448,444.04/8,068.14
  6. Step 6: Final answer
    x = 6,252.80

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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.