Home / 5,406.30-8,112.63-2,286.09

Finding the Fourth Proportional to 5,406.30, 8,112.63 and 2,286.09

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Solution

The fourth proportional to 5,406.30, 8,112.63 and 2,286.09 is: 3,430.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.30 : 8,112.63 = 2,286.09 : x
  2. Step 2: Convert to fraction form
    5,406.30/8,112.63 = 2,286.09/x
  3. Step 3: Cross multiply
    5,406.30x = 8,112.63 × 2,286.09
  4. Step 4: Simplify right side
    5,406.30x = 18,546,202.32
  5. Step 5: Solve for x
    x = 18,546,202.32/5,406.30
  6. Step 6: Final answer
    x = 3,430.48

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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.