Home / 6,930.89-10,396.34-1,736.78

Finding the Fourth Proportional to 6,930.89, 10,396.34 and 1,736.78

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Solution

The fourth proportional to 6,930.89, 10,396.34 and 1,736.78 is: 2,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.89 : 10,396.34 = 1,736.78 : x
  2. Step 2: Convert to fraction form
    6,930.89/10,396.34 = 1,736.78/x
  3. Step 3: Cross multiply
    6,930.89x = 10,396.34 × 1,736.78
  4. Step 4: Simplify right side
    6,930.89x = 18,056,107.75
  5. Step 5: Solve for x
    x = 18,056,107.75/6,930.89
  6. Step 6: Final answer
    x = 2,605.17

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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.