Home / 8,159.36-12,237.41-3,997.58

Finding the Fourth Proportional to 8,159.36, 12,237.41 and 3,997.58

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Solution

The fourth proportional to 8,159.36, 12,237.41 and 3,997.58 is: 5,995.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.36 : 12,237.41 = 3,997.58 : x
  2. Step 2: Convert to fraction form
    8,159.36/12,237.41 = 3,997.58/x
  3. Step 3: Cross multiply
    8,159.36x = 12,237.41 × 3,997.58
  4. Step 4: Simplify right side
    8,159.36x = 48,919,974.27
  5. Step 5: Solve for x
    x = 48,919,974.27/8,159.36
  6. Step 6: Final answer
    x = 5,995.57

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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.