Home / 5,083.09-7,619.60-2,859.32

Finding the Fourth Proportional to 5,083.09, 7,619.60 and 2,859.32

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Solution

The fourth proportional to 5,083.09, 7,619.60 and 2,859.32 is: 4,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.09 : 7,619.60 = 2,859.32 : x
  2. Step 2: Convert to fraction form
    5,083.09/7,619.60 = 2,859.32/x
  3. Step 3: Cross multiply
    5,083.09x = 7,619.60 × 2,859.32
  4. Step 4: Simplify right side
    5,083.09x = 21,786,900.87
  5. Step 5: Solve for x
    x = 21,786,900.87/5,083.09
  6. Step 6: Final answer
    x = 4,286.15

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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.