Home / 8,902.82-13,351.04-2,661.68

Finding the Fourth Proportional to 8,902.82, 13,351.04 and 2,661.68

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Solution

The fourth proportional to 8,902.82, 13,351.04 and 2,661.68 is: 3,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.82 : 13,351.04 = 2,661.68 : x
  2. Step 2: Convert to fraction form
    8,902.82/13,351.04 = 2,661.68/x
  3. Step 3: Cross multiply
    8,902.82x = 13,351.04 × 2,661.68
  4. Step 4: Simplify right side
    8,902.82x = 35,536,196.15
  5. Step 5: Solve for x
    x = 35,536,196.15/8,902.82
  6. Step 6: Final answer
    x = 3,991.57

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1.5x scale

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.