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Finding the Fourth Proportional to 6,119.70, 9,177.21 and 1,958.82

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Solution

The fourth proportional to 6,119.70, 9,177.21 and 1,958.82 is: 2,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.70 : 9,177.21 = 1,958.82 : x
  2. Step 2: Convert to fraction form
    6,119.70/9,177.21 = 1,958.82/x
  3. Step 3: Cross multiply
    6,119.70x = 9,177.21 × 1,958.82
  4. Step 4: Simplify right side
    6,119.70x = 17,976,502.49
  5. Step 5: Solve for x
    x = 17,976,502.49/6,119.70
  6. Step 6: Final answer
    x = 2,937.48

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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.