Home / 5,092.36-7,639.22-2,171.35

Finding the Fourth Proportional to 5,092.36, 7,639.22 and 2,171.35

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Solution

The fourth proportional to 5,092.36, 7,639.22 and 2,171.35 is: 3,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.36 : 7,639.22 = 2,171.35 : x
  2. Step 2: Convert to fraction form
    5,092.36/7,639.22 = 2,171.35/x
  3. Step 3: Cross multiply
    5,092.36x = 7,639.22 × 2,171.35
  4. Step 4: Simplify right side
    5,092.36x = 16,587,406.68
  5. Step 5: Solve for x
    x = 16,587,406.68/5,092.36
  6. Step 6: Final answer
    x = 3,257.31

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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.