Home / 4,951.32-7,427.20-2,758.39

Finding the Fourth Proportional to 4,951.32, 7,427.20 and 2,758.39

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Solution

The fourth proportional to 4,951.32, 7,427.20 and 2,758.39 is: 4,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.32 : 7,427.20 = 2,758.39 : x
  2. Step 2: Convert to fraction form
    4,951.32/7,427.20 = 2,758.39/x
  3. Step 3: Cross multiply
    4,951.32x = 7,427.20 × 2,758.39
  4. Step 4: Simplify right side
    4,951.32x = 20,487,114.21
  5. Step 5: Solve for x
    x = 20,487,114.21/4,951.32
  6. Step 6: Final answer
    x = 4,137.71

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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.