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Finding the Fourth Proportional to 8,510.73, 12,771.09 and 3,579.99

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Solution

The fourth proportional to 8,510.73, 12,771.09 and 3,579.99 is: 5,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.73 : 12,771.09 = 3,579.99 : x
  2. Step 2: Convert to fraction form
    8,510.73/12,771.09 = 3,579.99/x
  3. Step 3: Cross multiply
    8,510.73x = 12,771.09 × 3,579.99
  4. Step 4: Simplify right side
    8,510.73x = 45,720,292.73
  5. Step 5: Solve for x
    x = 45,720,292.73/8,510.73
  6. Step 6: Final answer
    x = 5,372.08

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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.