Home / 6,958.69-10,438.64-1,764.56

Finding the Fourth Proportional to 6,958.69, 10,438.64 and 1,764.56

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Solution

The fourth proportional to 6,958.69, 10,438.64 and 1,764.56 is: 2,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,958.69 : 10,438.64 = 1,764.56 : x
  2. Step 2: Convert to fraction form
    6,958.69/10,438.64 = 1,764.56/x
  3. Step 3: Cross multiply
    6,958.69x = 10,438.64 × 1,764.56
  4. Step 4: Simplify right side
    6,958.69x = 18,419,630.49
  5. Step 5: Solve for x
    x = 18,419,630.49/6,958.69
  6. Step 6: Final answer
    x = 2,647.00

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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.