Home / 6,206.82-9,309.12-1,764.78

Finding the Fourth Proportional to 6,206.82, 9,309.12 and 1,764.78

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Solution

The fourth proportional to 6,206.82, 9,309.12 and 1,764.78 is: 2,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,206.82 : 9,309.12 = 1,764.78 : x
  2. Step 2: Convert to fraction form
    6,206.82/9,309.12 = 1,764.78/x
  3. Step 3: Cross multiply
    6,206.82x = 9,309.12 × 1,764.78
  4. Step 4: Simplify right side
    6,206.82x = 16,428,548.79
  5. Step 5: Solve for x
    x = 16,428,548.79/6,206.82
  6. Step 6: Final answer
    x = 2,646.85

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1.5x scale

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.