Home / 5,546.75-8,315.26-2,086.43

Finding the Fourth Proportional to 5,546.75, 8,315.26 and 2,086.43

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Solution

The fourth proportional to 5,546.75, 8,315.26 and 2,086.43 is: 3,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,546.75 : 8,315.26 = 2,086.43 : x
  2. Step 2: Convert to fraction form
    5,546.75/8,315.26 = 2,086.43/x
  3. Step 3: Cross multiply
    5,546.75x = 8,315.26 × 2,086.43
  4. Step 4: Simplify right side
    5,546.75x = 17,349,155.91
  5. Step 5: Solve for x
    x = 17,349,155.91/5,546.75
  6. Step 6: Final answer
    x = 3,127.81

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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.