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Finding the Fourth Proportional to 8,842, 13,263 and 2,686

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Solution

The fourth proportional to 8,842, 13,263 and 2,686 is: 4,029

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842 : 13,263 = 2,686 : x
  2. Step 2: Convert to fraction form
    8,842/13,263 = 2,686/x
  3. Step 3: Cross multiply
    8,842x = 13,263 × 2,686
  4. Step 4: Simplify right side
    8,842x = 35,624,418
  5. Step 5: Solve for x
    x = 35,624,418/8,842
  6. Step 6: Final answer
    x = 4,029

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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.