Home / 5,431.84-8,144.44-2,268.38

Finding the Fourth Proportional to 5,431.84, 8,144.44 and 2,268.38

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Solution

The fourth proportional to 5,431.84, 8,144.44 and 2,268.38 is: 3,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.84 : 8,144.44 = 2,268.38 : x
  2. Step 2: Convert to fraction form
    5,431.84/8,144.44 = 2,268.38/x
  3. Step 3: Cross multiply
    5,431.84x = 8,144.44 × 2,268.38
  4. Step 4: Simplify right side
    5,431.84x = 18,474,684.81
  5. Step 5: Solve for x
    x = 18,474,684.81/5,431.84
  6. Step 6: Final answer
    x = 3,401.18

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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.