Home / 7,845.60-11,757.72-3,952.68

Finding the Fourth Proportional to 7,845.60, 11,757.72 and 3,952.68

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Solution

The fourth proportional to 7,845.60, 11,757.72 and 3,952.68 is: 5,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.60 : 11,757.72 = 3,952.68 : x
  2. Step 2: Convert to fraction form
    7,845.60/11,757.72 = 3,952.68/x
  3. Step 3: Cross multiply
    7,845.60x = 11,757.72 × 3,952.68
  4. Step 4: Simplify right side
    7,845.60x = 46,474,504.69
  5. Step 5: Solve for x
    x = 46,474,504.69/7,845.60
  6. Step 6: Final answer
    x = 5,923.64

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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.