Home / 5,461.43-8,189.27-2,381.75

Finding the Fourth Proportional to 5,461.43, 8,189.27 and 2,381.75

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Solution

The fourth proportional to 5,461.43, 8,189.27 and 2,381.75 is: 3,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.43 : 8,189.27 = 2,381.75 : x
  2. Step 2: Convert to fraction form
    5,461.43/8,189.27 = 2,381.75/x
  3. Step 3: Cross multiply
    5,461.43x = 8,189.27 × 2,381.75
  4. Step 4: Simplify right side
    5,461.43x = 19,504,781.91
  5. Step 5: Solve for x
    x = 19,504,781.91/5,461.43
  6. Step 6: Final answer
    x = 3,571.37

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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.