Home / 7,946.70-11,923.92-3,268.12

Finding the Fourth Proportional to 7,946.70, 11,923.92 and 3,268.12

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Solution

The fourth proportional to 7,946.70, 11,923.92 and 3,268.12 is: 4,903.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.70 : 11,923.92 = 3,268.12 : x
  2. Step 2: Convert to fraction form
    7,946.70/11,923.92 = 3,268.12/x
  3. Step 3: Cross multiply
    7,946.70x = 11,923.92 × 3,268.12
  4. Step 4: Simplify right side
    7,946.70x = 38,968,741.81
  5. Step 5: Solve for x
    x = 38,968,741.81/7,946.70
  6. Step 6: Final answer
    x = 4,903.76

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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.