Home / 8,861.67-13,288.62-2,622.17

Finding the Fourth Proportional to 8,861.67, 13,288.62 and 2,622.17

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Solution

The fourth proportional to 8,861.67, 13,288.62 and 2,622.17 is: 3,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.67 : 13,288.62 = 2,622.17 : x
  2. Step 2: Convert to fraction form
    8,861.67/13,288.62 = 2,622.17/x
  3. Step 3: Cross multiply
    8,861.67x = 13,288.62 × 2,622.17
  4. Step 4: Simplify right side
    8,861.67x = 34,845,066.87
  5. Step 5: Solve for x
    x = 34,845,066.87/8,861.67
  6. Step 6: Final answer
    x = 3,932.11

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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.