Home / 5,105.82-7,660.26-4,224.32

Finding the Fourth Proportional to 5,105.82, 7,660.26 and 4,224.32

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Solution

The fourth proportional to 5,105.82, 7,660.26 and 4,224.32 is: 6,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.82 : 7,660.26 = 4,224.32 : x
  2. Step 2: Convert to fraction form
    5,105.82/7,660.26 = 4,224.32/x
  3. Step 3: Cross multiply
    5,105.82x = 7,660.26 × 4,224.32
  4. Step 4: Simplify right side
    5,105.82x = 32,359,389.52
  5. Step 5: Solve for x
    x = 32,359,389.52/5,105.82
  6. Step 6: Final answer
    x = 6,337.75

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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.