Home / 8,081.37-12,122.32-2,237.49

Finding the Fourth Proportional to 8,081.37, 12,122.32 and 2,237.49

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Solution

The fourth proportional to 8,081.37, 12,122.32 and 2,237.49 is: 3,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.37 : 12,122.32 = 2,237.49 : x
  2. Step 2: Convert to fraction form
    8,081.37/12,122.32 = 2,237.49/x
  3. Step 3: Cross multiply
    8,081.37x = 12,122.32 × 2,237.49
  4. Step 4: Simplify right side
    8,081.37x = 27,123,569.78
  5. Step 5: Solve for x
    x = 27,123,569.78/8,081.37
  6. Step 6: Final answer
    x = 3,356.31

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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.