Home / 7,408.05-11,097.49-5,208.09

Finding the Fourth Proportional to 7,408.05, 11,097.49 and 5,208.09

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Solution

The fourth proportional to 7,408.05, 11,097.49 and 5,208.09 is: 7,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.05 : 11,097.49 = 5,208.09 : x
  2. Step 2: Convert to fraction form
    7,408.05/11,097.49 = 5,208.09/x
  3. Step 3: Cross multiply
    7,408.05x = 11,097.49 × 5,208.09
  4. Step 4: Simplify right side
    7,408.05x = 57,796,726.69
  5. Step 5: Solve for x
    x = 57,796,726.69/7,408.05
  6. Step 6: Final answer
    x = 7,801.88

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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.