Home / 4,272.45-6,408.62-3,540.48

Finding the Fourth Proportional to 4,272.45, 6,408.62 and 3,540.48

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Solution

The fourth proportional to 4,272.45, 6,408.62 and 3,540.48 is: 5,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.45 : 6,408.62 = 3,540.48 : x
  2. Step 2: Convert to fraction form
    4,272.45/6,408.62 = 3,540.48/x
  3. Step 3: Cross multiply
    4,272.45x = 6,408.62 × 3,540.48
  4. Step 4: Simplify right side
    4,272.45x = 22,689,573.24
  5. Step 5: Solve for x
    x = 22,689,573.24/4,272.45
  6. Step 6: Final answer
    x = 5,310.67

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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.