Home / 9,175.75-13,765.67-2,936.13

Finding the Fourth Proportional to 9,175.75, 13,765.67 and 2,936.13

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Solution

The fourth proportional to 9,175.75, 13,765.67 and 2,936.13 is: 4,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.75 : 13,765.67 = 2,936.13 : x
  2. Step 2: Convert to fraction form
    9,175.75/13,765.67 = 2,936.13/x
  3. Step 3: Cross multiply
    9,175.75x = 13,765.67 × 2,936.13
  4. Step 4: Simplify right side
    9,175.75x = 40,417,868.00
  5. Step 5: Solve for x
    x = 40,417,868.00/9,175.75
  6. Step 6: Final answer
    x = 4,404.86

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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.