Home / 9,419.08-12,997.68-5,227

Finding the Fourth Proportional to 9,419.08, 12,997.68 and 5,227

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Solution

The fourth proportional to 9,419.08, 12,997.68 and 5,227 is: 7,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.08 : 12,997.68 = 5,227 : x
  2. Step 2: Convert to fraction form
    9,419.08/12,997.68 = 5,227/x
  3. Step 3: Cross multiply
    9,419.08x = 12,997.68 × 5,227
  4. Step 4: Simplify right side
    9,419.08x = 67,938,873.36
  5. Step 5: Solve for x
    x = 67,938,873.36/9,419.08
  6. Step 6: Final answer
    x = 7,212.90

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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.