Home / 4,469.78-6,697.82-2,390.07

Finding the Fourth Proportional to 4,469.78, 6,697.82 and 2,390.07

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Solution

The fourth proportional to 4,469.78, 6,697.82 and 2,390.07 is: 3,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,469.78 : 6,697.82 = 2,390.07 : x
  2. Step 2: Convert to fraction form
    4,469.78/6,697.82 = 2,390.07/x
  3. Step 3: Cross multiply
    4,469.78x = 6,697.82 × 2,390.07
  4. Step 4: Simplify right side
    4,469.78x = 16,008,246.70
  5. Step 5: Solve for x
    x = 16,008,246.70/4,469.78
  6. Step 6: Final answer
    x = 3,581.44

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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.