Home / 6,120.32-9,175.88-2,999.36

Finding the Fourth Proportional to 6,120.32, 9,175.88 and 2,999.36

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Solution

The fourth proportional to 6,120.32, 9,175.88 and 2,999.36 is: 4,496.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.32 : 9,175.88 = 2,999.36 : x
  2. Step 2: Convert to fraction form
    6,120.32/9,175.88 = 2,999.36/x
  3. Step 3: Cross multiply
    6,120.32x = 9,175.88 × 2,999.36
  4. Step 4: Simplify right side
    6,120.32x = 27,521,767.44
  5. Step 5: Solve for x
    x = 27,521,767.44/6,120.32
  6. Step 6: Final answer
    x = 4,496.79

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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.