Home / 8,175.40-12,270.39-3,795.33

Finding the Fourth Proportional to 8,175.40, 12,270.39 and 3,795.33

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Solution

The fourth proportional to 8,175.40, 12,270.39 and 3,795.33 is: 5,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.40 : 12,270.39 = 3,795.33 : x
  2. Step 2: Convert to fraction form
    8,175.40/12,270.39 = 3,795.33/x
  3. Step 3: Cross multiply
    8,175.40x = 12,270.39 × 3,795.33
  4. Step 4: Simplify right side
    8,175.40x = 46,570,117.93
  5. Step 5: Solve for x
    x = 46,570,117.93/8,175.40
  6. Step 6: Final answer
    x = 5,696.37

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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.