Home / 7,288.20-10,909.26-5,201.48

Finding the Fourth Proportional to 7,288.20, 10,909.26 and 5,201.48

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Solution

The fourth proportional to 7,288.20, 10,909.26 and 5,201.48 is: 7,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.20 : 10,909.26 = 5,201.48 : x
  2. Step 2: Convert to fraction form
    7,288.20/10,909.26 = 5,201.48/x
  3. Step 3: Cross multiply
    7,288.20x = 10,909.26 × 5,201.48
  4. Step 4: Simplify right side
    7,288.20x = 56,744,297.70
  5. Step 5: Solve for x
    x = 56,744,297.70/7,288.20
  6. Step 6: Final answer
    x = 7,785.78

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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.