Home / 8,159.86-12,237.94-3,995.70

Finding the Fourth Proportional to 8,159.86, 12,237.94 and 3,995.70

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Solution

The fourth proportional to 8,159.86, 12,237.94 and 3,995.70 is: 5,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.86 : 12,237.94 = 3,995.70 : x
  2. Step 2: Convert to fraction form
    8,159.86/12,237.94 = 3,995.70/x
  3. Step 3: Cross multiply
    8,159.86x = 12,237.94 × 3,995.70
  4. Step 4: Simplify right side
    8,159.86x = 48,899,136.86
  5. Step 5: Solve for x
    x = 48,899,136.86/8,159.86
  6. Step 6: Final answer
    x = 5,992.64

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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.