Home / 6,119.14-9,178.22-1,958.03

Finding the Fourth Proportional to 6,119.14, 9,178.22 and 1,958.03

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Solution

The fourth proportional to 6,119.14, 9,178.22 and 1,958.03 is: 2,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.14 : 9,178.22 = 1,958.03 : x
  2. Step 2: Convert to fraction form
    6,119.14/9,178.22 = 1,958.03/x
  3. Step 3: Cross multiply
    6,119.14x = 9,178.22 × 1,958.03
  4. Step 4: Simplify right side
    6,119.14x = 17,971,232.74
  5. Step 5: Solve for x
    x = 17,971,232.74/6,119.14
  6. Step 6: Final answer
    x = 2,936.89

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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.