Home / 8,824.82-13,238.73-2,980.04

Finding the Fourth Proportional to 8,824.82, 13,238.73 and 2,980.04

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Solution

The fourth proportional to 8,824.82, 13,238.73 and 2,980.04 is: 4,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.82 : 13,238.73 = 2,980.04 : x
  2. Step 2: Convert to fraction form
    8,824.82/13,238.73 = 2,980.04/x
  3. Step 3: Cross multiply
    8,824.82x = 13,238.73 × 2,980.04
  4. Step 4: Simplify right side
    8,824.82x = 39,451,878.76
  5. Step 5: Solve for x
    x = 39,451,878.76/8,824.82
  6. Step 6: Final answer
    x = 4,470.56

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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.