Home / 5,313.10-7,971.62-2,193.38

Finding the Fourth Proportional to 5,313.10, 7,971.62 and 2,193.38

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Solution

The fourth proportional to 5,313.10, 7,971.62 and 2,193.38 is: 3,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.10 : 7,971.62 = 2,193.38 : x
  2. Step 2: Convert to fraction form
    5,313.10/7,971.62 = 2,193.38/x
  3. Step 3: Cross multiply
    5,313.10x = 7,971.62 × 2,193.38
  4. Step 4: Simplify right side
    5,313.10x = 17,484,791.88
  5. Step 5: Solve for x
    x = 17,484,791.88/5,313.10
  6. Step 6: Final answer
    x = 3,290.88

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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.