Home / 4,054.25-6,081.36-3,131.15

Finding the Fourth Proportional to 4,054.25, 6,081.36 and 3,131.15

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Solution

The fourth proportional to 4,054.25, 6,081.36 and 3,131.15 is: 4,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,054.25 : 6,081.36 = 3,131.15 : x
  2. Step 2: Convert to fraction form
    4,054.25/6,081.36 = 3,131.15/x
  3. Step 3: Cross multiply
    4,054.25x = 6,081.36 × 3,131.15
  4. Step 4: Simplify right side
    4,054.25x = 19,041,619.96
  5. Step 5: Solve for x
    x = 19,041,619.96/4,054.25
  6. Step 6: Final answer
    x = 4,696.71

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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.