Home / 7,958.96-11,938.81-2,622.47

Finding the Fourth Proportional to 7,958.96, 11,938.81 and 2,622.47

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Solution

The fourth proportional to 7,958.96, 11,938.81 and 2,622.47 is: 3,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.96 : 11,938.81 = 2,622.47 : x
  2. Step 2: Convert to fraction form
    7,958.96/11,938.81 = 2,622.47/x
  3. Step 3: Cross multiply
    7,958.96x = 11,938.81 × 2,622.47
  4. Step 4: Simplify right side
    7,958.96x = 31,309,171.06
  5. Step 5: Solve for x
    x = 31,309,171.06/7,958.96
  6. Step 6: Final answer
    x = 3,933.83

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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.