Home / 5,092.07-7,638.44-1,394.21

Finding the Fourth Proportional to 5,092.07, 7,638.44 and 1,394.21

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Solution

The fourth proportional to 5,092.07, 7,638.44 and 1,394.21 is: 2,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.07 : 7,638.44 = 1,394.21 : x
  2. Step 2: Convert to fraction form
    5,092.07/7,638.44 = 1,394.21/x
  3. Step 3: Cross multiply
    5,092.07x = 7,638.44 × 1,394.21
  4. Step 4: Simplify right side
    5,092.07x = 10,649,601.56
  5. Step 5: Solve for x
    x = 10,649,601.56/5,092.07
  6. Step 6: Final answer
    x = 2,091.41

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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.