Home / 7,958.25-10,982.39-4,421.79

Finding the Fourth Proportional to 7,958.25, 10,982.39 and 4,421.79

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Solution

The fourth proportional to 7,958.25, 10,982.39 and 4,421.79 is: 6,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.25 : 10,982.39 = 4,421.79 : x
  2. Step 2: Convert to fraction form
    7,958.25/10,982.39 = 4,421.79/x
  3. Step 3: Cross multiply
    7,958.25x = 10,982.39 × 4,421.79
  4. Step 4: Simplify right side
    7,958.25x = 48,561,833.33
  5. Step 5: Solve for x
    x = 48,561,833.33/7,958.25
  6. Step 6: Final answer
    x = 6,102.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.