Home / 5,905.78-8,858.70-2,208.94

Finding the Fourth Proportional to 5,905.78, 8,858.70 and 2,208.94

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Solution

The fourth proportional to 5,905.78, 8,858.70 and 2,208.94 is: 3,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.78 : 8,858.70 = 2,208.94 : x
  2. Step 2: Convert to fraction form
    5,905.78/8,858.70 = 2,208.94/x
  3. Step 3: Cross multiply
    5,905.78x = 8,858.70 × 2,208.94
  4. Step 4: Simplify right side
    5,905.78x = 19,568,314.63
  5. Step 5: Solve for x
    x = 19,568,314.63/5,905.78
  6. Step 6: Final answer
    x = 3,313.42

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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.