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Finding the Fourth Proportional to 8,522, 11,759.30 and 4,936.91

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Solution

The fourth proportional to 8,522, 11,759.30 and 4,936.91 is: 6,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522 : 11,759.30 = 4,936.91 : x
  2. Step 2: Convert to fraction form
    8,522/11,759.30 = 4,936.91/x
  3. Step 3: Cross multiply
    8,522x = 11,759.30 × 4,936.91
  4. Step 4: Simplify right side
    8,522x = 58,054,605.76
  5. Step 5: Solve for x
    x = 58,054,605.76/8,522
  6. Step 6: Final answer
    x = 6,812.32

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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.