Home / 5,175.09-7,765.88-2,054.57

Finding the Fourth Proportional to 5,175.09, 7,765.88 and 2,054.57

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Solution

The fourth proportional to 5,175.09, 7,765.88 and 2,054.57 is: 3,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.09 : 7,765.88 = 2,054.57 : x
  2. Step 2: Convert to fraction form
    5,175.09/7,765.88 = 2,054.57/x
  3. Step 3: Cross multiply
    5,175.09x = 7,765.88 × 2,054.57
  4. Step 4: Simplify right side
    5,175.09x = 15,955,494.97
  5. Step 5: Solve for x
    x = 15,955,494.97/5,175.09
  6. Step 6: Final answer
    x = 3,083.13

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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.