Home / 5,449.26-8,173.18-1,939.13

Finding the Fourth Proportional to 5,449.26, 8,173.18 and 1,939.13

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Solution

The fourth proportional to 5,449.26, 8,173.18 and 1,939.13 is: 2,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.26 : 8,173.18 = 1,939.13 : x
  2. Step 2: Convert to fraction form
    5,449.26/8,173.18 = 1,939.13/x
  3. Step 3: Cross multiply
    5,449.26x = 8,173.18 × 1,939.13
  4. Step 4: Simplify right side
    5,449.26x = 15,848,858.53
  5. Step 5: Solve for x
    x = 15,848,858.53/5,449.26
  6. Step 6: Final answer
    x = 2,908.44

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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.