Home / 7,945.56-11,919.96-2,399.22

Finding the Fourth Proportional to 7,945.56, 11,919.96 and 2,399.22

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Solution

The fourth proportional to 7,945.56, 11,919.96 and 2,399.22 is: 3,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.56 : 11,919.96 = 2,399.22 : x
  2. Step 2: Convert to fraction form
    7,945.56/11,919.96 = 2,399.22/x
  3. Step 3: Cross multiply
    7,945.56x = 11,919.96 × 2,399.22
  4. Step 4: Simplify right side
    7,945.56x = 28,598,606.43
  5. Step 5: Solve for x
    x = 28,598,606.43/7,945.56
  6. Step 6: Final answer
    x = 3,599.32

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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.