Home / 7,446.75-11,175.30-2,829.75

Finding the Fourth Proportional to 7,446.75, 11,175.30 and 2,829.75

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Solution

The fourth proportional to 7,446.75, 11,175.30 and 2,829.75 is: 4,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.75 : 11,175.30 = 2,829.75 : x
  2. Step 2: Convert to fraction form
    7,446.75/11,175.30 = 2,829.75/x
  3. Step 3: Cross multiply
    7,446.75x = 11,175.30 × 2,829.75
  4. Step 4: Simplify right side
    7,446.75x = 31,623,305.18
  5. Step 5: Solve for x
    x = 31,623,305.18/7,446.75
  6. Step 6: Final answer
    x = 4,246.59

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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.