Home / 6,879.97-10,319.96-3,181.51

Finding the Fourth Proportional to 6,879.97, 10,319.96 and 3,181.51

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Solution

The fourth proportional to 6,879.97, 10,319.96 and 3,181.51 is: 4,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.97 : 10,319.96 = 3,181.51 : x
  2. Step 2: Convert to fraction form
    6,879.97/10,319.96 = 3,181.51/x
  3. Step 3: Cross multiply
    6,879.97x = 10,319.96 × 3,181.51
  4. Step 4: Simplify right side
    6,879.97x = 32,833,055.94
  5. Step 5: Solve for x
    x = 32,833,055.94/6,879.97
  6. Step 6: Final answer
    x = 4,772.27

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1.5x scale

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.