Home / 5,905.81-8,150.37-3,388.64

Finding the Fourth Proportional to 5,905.81, 8,150.37 and 3,388.64

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Solution

The fourth proportional to 5,905.81, 8,150.37 and 3,388.64 is: 4,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.81 : 8,150.37 = 3,388.64 : x
  2. Step 2: Convert to fraction form
    5,905.81/8,150.37 = 3,388.64/x
  3. Step 3: Cross multiply
    5,905.81x = 8,150.37 × 3,388.64
  4. Step 4: Simplify right side
    5,905.81x = 27,618,635.40
  5. Step 5: Solve for x
    x = 27,618,635.40/5,905.81
  6. Step 6: Final answer
    x = 4,676.52

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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.