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Finding the Fourth Proportional to 8,498.65, 12,755.27 and 4,061.79

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Solution

The fourth proportional to 8,498.65, 12,755.27 and 4,061.79 is: 6,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.65 : 12,755.27 = 4,061.79 : x
  2. Step 2: Convert to fraction form
    8,498.65/12,755.27 = 4,061.79/x
  3. Step 3: Cross multiply
    8,498.65x = 12,755.27 × 4,061.79
  4. Step 4: Simplify right side
    8,498.65x = 51,809,228.13
  5. Step 5: Solve for x
    x = 51,809,228.13/8,498.65
  6. Step 6: Final answer
    x = 6,096.17

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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.