Home / 5,203.39-7,183.99-3,215.09

Finding the Fourth Proportional to 5,203.39, 7,183.99 and 3,215.09

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Solution

The fourth proportional to 5,203.39, 7,183.99 and 3,215.09 is: 4,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.39 : 7,183.99 = 3,215.09 : x
  2. Step 2: Convert to fraction form
    5,203.39/7,183.99 = 3,215.09/x
  3. Step 3: Cross multiply
    5,203.39x = 7,183.99 × 3,215.09
  4. Step 4: Simplify right side
    5,203.39x = 23,097,196.39
  5. Step 5: Solve for x
    x = 23,097,196.39/5,203.39
  6. Step 6: Final answer
    x = 4,438.88

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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.