Home / 5,231.55-7,845.39-2,110.73

Finding the Fourth Proportional to 5,231.55, 7,845.39 and 2,110.73

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Solution

The fourth proportional to 5,231.55, 7,845.39 and 2,110.73 is: 3,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.55 : 7,845.39 = 2,110.73 : x
  2. Step 2: Convert to fraction form
    5,231.55/7,845.39 = 2,110.73/x
  3. Step 3: Cross multiply
    5,231.55x = 7,845.39 × 2,110.73
  4. Step 4: Simplify right side
    5,231.55x = 16,559,460.81
  5. Step 5: Solve for x
    x = 16,559,460.81/5,231.55
  6. Step 6: Final answer
    x = 3,165.30

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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.