Home / 7,685.57-11,517.55-4,393.73

Finding the Fourth Proportional to 7,685.57, 11,517.55 and 4,393.73

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Solution

The fourth proportional to 7,685.57, 11,517.55 and 4,393.73 is: 6,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.57 : 11,517.55 = 4,393.73 : x
  2. Step 2: Convert to fraction form
    7,685.57/11,517.55 = 4,393.73/x
  3. Step 3: Cross multiply
    7,685.57x = 11,517.55 × 4,393.73
  4. Step 4: Simplify right side
    7,685.57x = 50,605,004.96
  5. Step 5: Solve for x
    x = 50,605,004.96/7,685.57
  6. Step 6: Final answer
    x = 6,584.42

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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.