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Finding the Fourth Proportional to 7,797.43, 10,760.60 and 4,260.57

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Solution

The fourth proportional to 7,797.43, 10,760.60 and 4,260.57 is: 5,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.43 : 10,760.60 = 4,260.57 : x
  2. Step 2: Convert to fraction form
    7,797.43/10,760.60 = 4,260.57/x
  3. Step 3: Cross multiply
    7,797.43x = 10,760.60 × 4,260.57
  4. Step 4: Simplify right side
    7,797.43x = 45,846,289.54
  5. Step 5: Solve for x
    x = 45,846,289.54/7,797.43
  6. Step 6: Final answer
    x = 5,879.67

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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.