Home / 5,286.82-7,924.26-2,509.64

Finding the Fourth Proportional to 5,286.82, 7,924.26 and 2,509.64

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Solution

The fourth proportional to 5,286.82, 7,924.26 and 2,509.64 is: 3,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.82 : 7,924.26 = 2,509.64 : x
  2. Step 2: Convert to fraction form
    5,286.82/7,924.26 = 2,509.64/x
  3. Step 3: Cross multiply
    5,286.82x = 7,924.26 × 2,509.64
  4. Step 4: Simplify right side
    5,286.82x = 19,887,039.87
  5. Step 5: Solve for x
    x = 19,887,039.87/5,286.82
  6. Step 6: Final answer
    x = 3,761.63

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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.