Home / 5,144.92-7,100.27-2,906.89

Finding the Fourth Proportional to 5,144.92, 7,100.27 and 2,906.89

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Solution

The fourth proportional to 5,144.92, 7,100.27 and 2,906.89 is: 4,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.92 : 7,100.27 = 2,906.89 : x
  2. Step 2: Convert to fraction form
    5,144.92/7,100.27 = 2,906.89/x
  3. Step 3: Cross multiply
    5,144.92x = 7,100.27 × 2,906.89
  4. Step 4: Simplify right side
    5,144.92x = 20,639,709.10
  5. Step 5: Solve for x
    x = 20,639,709.10/5,144.92
  6. Step 6: Final answer
    x = 4,011.67

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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.