Home / 8,817.30-13,231.89-3,270.87

Finding the Fourth Proportional to 8,817.30, 13,231.89 and 3,270.87

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Solution

The fourth proportional to 8,817.30, 13,231.89 and 3,270.87 is: 4,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.30 : 13,231.89 = 3,270.87 : x
  2. Step 2: Convert to fraction form
    8,817.30/13,231.89 = 3,270.87/x
  3. Step 3: Cross multiply
    8,817.30x = 13,231.89 × 3,270.87
  4. Step 4: Simplify right side
    8,817.30x = 43,279,792.04
  5. Step 5: Solve for x
    x = 43,279,792.04/8,817.30
  6. Step 6: Final answer
    x = 4,908.51

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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.