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Finding the Fourth Proportional to 8,126, 12,187.56 and 2,283.12

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Solution

The fourth proportional to 8,126, 12,187.56 and 2,283.12 is: 3,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126 : 12,187.56 = 2,283.12 : x
  2. Step 2: Convert to fraction form
    8,126/12,187.56 = 2,283.12/x
  3. Step 3: Cross multiply
    8,126x = 12,187.56 × 2,283.12
  4. Step 4: Simplify right side
    8,126x = 27,825,661.99
  5. Step 5: Solve for x
    x = 27,825,661.99/8,126
  6. Step 6: Final answer
    x = 3,424.28

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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.