Home / 5,452.31-8,177.56-1,942.18

Finding the Fourth Proportional to 5,452.31, 8,177.56 and 1,942.18

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Solution

The fourth proportional to 5,452.31, 8,177.56 and 1,942.18 is: 2,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.31 : 8,177.56 = 1,942.18 : x
  2. Step 2: Convert to fraction form
    5,452.31/8,177.56 = 1,942.18/x
  3. Step 3: Cross multiply
    5,452.31x = 8,177.56 × 1,942.18
  4. Step 4: Simplify right side
    5,452.31x = 15,882,268.18
  5. Step 5: Solve for x
    x = 15,882,268.18/5,452.31
  6. Step 6: Final answer
    x = 2,912.94

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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.