Home / 4,778.44-7,168.38-2,587.48

Finding the Fourth Proportional to 4,778.44, 7,168.38 and 2,587.48

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Solution

The fourth proportional to 4,778.44, 7,168.38 and 2,587.48 is: 3,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.44 : 7,168.38 = 2,587.48 : x
  2. Step 2: Convert to fraction form
    4,778.44/7,168.38 = 2,587.48/x
  3. Step 3: Cross multiply
    4,778.44x = 7,168.38 × 2,587.48
  4. Step 4: Simplify right side
    4,778.44x = 18,548,039.88
  5. Step 5: Solve for x
    x = 18,548,039.88/4,778.44
  6. Step 6: Final answer
    x = 3,881.61

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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.