Home / 4,252.32-6,378.96-1,786.68

Finding the Fourth Proportional to 4,252.32, 6,378.96 and 1,786.68

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Solution

The fourth proportional to 4,252.32, 6,378.96 and 1,786.68 is: 2,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.32 : 6,378.96 = 1,786.68 : x
  2. Step 2: Convert to fraction form
    4,252.32/6,378.96 = 1,786.68/x
  3. Step 3: Cross multiply
    4,252.32x = 6,378.96 × 1,786.68
  4. Step 4: Simplify right side
    4,252.32x = 11,397,160.25
  5. Step 5: Solve for x
    x = 11,397,160.25/4,252.32
  6. Step 6: Final answer
    x = 2,680.22

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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.