Home / 7,958.47-11,933.57-4,212.28

Finding the Fourth Proportional to 7,958.47, 11,933.57 and 4,212.28

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Solution

The fourth proportional to 7,958.47, 11,933.57 and 4,212.28 is: 6,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.47 : 11,933.57 = 4,212.28 : x
  2. Step 2: Convert to fraction form
    7,958.47/11,933.57 = 4,212.28/x
  3. Step 3: Cross multiply
    7,958.47x = 11,933.57 × 4,212.28
  4. Step 4: Simplify right side
    7,958.47x = 50,267,489.10
  5. Step 5: Solve for x
    x = 50,267,489.10/7,958.47
  6. Step 6: Final answer
    x = 6,316.23

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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.