Home / 6,928.56-9,561.38-3,784.73

Finding the Fourth Proportional to 6,928.56, 9,561.38 and 3,784.73

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Solution

The fourth proportional to 6,928.56, 9,561.38 and 3,784.73 is: 5,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.56 : 9,561.38 = 3,784.73 : x
  2. Step 2: Convert to fraction form
    6,928.56/9,561.38 = 3,784.73/x
  3. Step 3: Cross multiply
    6,928.56x = 9,561.38 × 3,784.73
  4. Step 4: Simplify right side
    6,928.56x = 36,187,175.00
  5. Step 5: Solve for x
    x = 36,187,175.00/6,928.56
  6. Step 6: Final answer
    x = 5,222.90

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1.5x scale

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.