Home / 5,092.23-7,638.36-1,394.50

Finding the Fourth Proportional to 5,092.23, 7,638.36 and 1,394.50

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Solution

The fourth proportional to 5,092.23, 7,638.36 and 1,394.50 is: 2,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.23 : 7,638.36 = 1,394.50 : x
  2. Step 2: Convert to fraction form
    5,092.23/7,638.36 = 1,394.50/x
  3. Step 3: Cross multiply
    5,092.23x = 7,638.36 × 1,394.50
  4. Step 4: Simplify right side
    5,092.23x = 10,651,647.86
  5. Step 5: Solve for x
    x = 10,651,647.86/5,092.23
  6. Step 6: Final answer
    x = 2,091.75

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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.