Home / 4,272.78-6,401.88-3,451.44

Finding the Fourth Proportional to 4,272.78, 6,401.88 and 3,451.44

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Solution

The fourth proportional to 4,272.78, 6,401.88 and 3,451.44 is: 5,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.78 : 6,401.88 = 3,451.44 : x
  2. Step 2: Convert to fraction form
    4,272.78/6,401.88 = 3,451.44/x
  3. Step 3: Cross multiply
    4,272.78x = 6,401.88 × 3,451.44
  4. Step 4: Simplify right side
    4,272.78x = 22,095,704.71
  5. Step 5: Solve for x
    x = 22,095,704.71/4,272.78
  6. Step 6: Final answer
    x = 5,171.27

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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.