Home / 5,446.26-8,173.59-3,989.19

Finding the Fourth Proportional to 5,446.26, 8,173.59 and 3,989.19

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Solution

The fourth proportional to 5,446.26, 8,173.59 and 3,989.19 is: 5,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.26 : 8,173.59 = 3,989.19 : x
  2. Step 2: Convert to fraction form
    5,446.26/8,173.59 = 3,989.19/x
  3. Step 3: Cross multiply
    5,446.26x = 8,173.59 × 3,989.19
  4. Step 4: Simplify right side
    5,446.26x = 32,606,003.49
  5. Step 5: Solve for x
    x = 32,606,003.49/5,446.26
  6. Step 6: Final answer
    x = 5,986.86

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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.