Home / 8,003.46-12,005.36-2,080.57

Finding the Fourth Proportional to 8,003.46, 12,005.36 and 2,080.57

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Solution

The fourth proportional to 8,003.46, 12,005.36 and 2,080.57 is: 3,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.46 : 12,005.36 = 2,080.57 : x
  2. Step 2: Convert to fraction form
    8,003.46/12,005.36 = 2,080.57/x
  3. Step 3: Cross multiply
    8,003.46x = 12,005.36 × 2,080.57
  4. Step 4: Simplify right side
    8,003.46x = 24,977,991.86
  5. Step 5: Solve for x
    x = 24,977,991.86/8,003.46
  6. Step 6: Final answer
    x = 3,120.90

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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.