Home / 5,137.70-7,103.85-4,481.60

Finding the Fourth Proportional to 5,137.70, 7,103.85 and 4,481.60

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Solution

The fourth proportional to 5,137.70, 7,103.85 and 4,481.60 is: 6,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.70 : 7,103.85 = 4,481.60 : x
  2. Step 2: Convert to fraction form
    5,137.70/7,103.85 = 4,481.60/x
  3. Step 3: Cross multiply
    5,137.70x = 7,103.85 × 4,481.60
  4. Step 4: Simplify right side
    5,137.70x = 31,836,614.16
  5. Step 5: Solve for x
    x = 31,836,614.16/5,137.70
  6. Step 6: Final answer
    x = 6,196.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.