Home / 8,812.75-13,215.03-3,265.87

Finding the Fourth Proportional to 8,812.75, 13,215.03 and 3,265.87

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Solution

The fourth proportional to 8,812.75, 13,215.03 and 3,265.87 is: 4,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.75 : 13,215.03 = 3,265.87 : x
  2. Step 2: Convert to fraction form
    8,812.75/13,215.03 = 3,265.87/x
  3. Step 3: Cross multiply
    8,812.75x = 13,215.03 × 3,265.87
  4. Step 4: Simplify right side
    8,812.75x = 43,158,570.03
  5. Step 5: Solve for x
    x = 43,158,570.03/8,812.75
  6. Step 6: Final answer
    x = 4,897.29

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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.