Home / 7,448.88-11,163.73-3,938.75

Finding the Fourth Proportional to 7,448.88, 11,163.73 and 3,938.75

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Solution

The fourth proportional to 7,448.88, 11,163.73 and 3,938.75 is: 5,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.88 : 11,163.73 = 3,938.75 : x
  2. Step 2: Convert to fraction form
    7,448.88/11,163.73 = 3,938.75/x
  3. Step 3: Cross multiply
    7,448.88x = 11,163.73 × 3,938.75
  4. Step 4: Simplify right side
    7,448.88x = 43,971,141.54
  5. Step 5: Solve for x
    x = 43,971,141.54/7,448.88
  6. Step 6: Final answer
    x = 5,903.05

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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.