Home / 8,029.86-12,042.36-2,185.71

Finding the Fourth Proportional to 8,029.86, 12,042.36 and 2,185.71

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Solution

The fourth proportional to 8,029.86, 12,042.36 and 2,185.71 is: 3,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.86 : 12,042.36 = 2,185.71 : x
  2. Step 2: Convert to fraction form
    8,029.86/12,042.36 = 2,185.71/x
  3. Step 3: Cross multiply
    8,029.86x = 12,042.36 × 2,185.71
  4. Step 4: Simplify right side
    8,029.86x = 26,321,106.68
  5. Step 5: Solve for x
    x = 26,321,106.68/8,029.86
  6. Step 6: Final answer
    x = 3,277.90

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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.