Home / 4,080.45-6,120.68-2,001.79

Finding the Fourth Proportional to 4,080.45, 6,120.68 and 2,001.79

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Solution

The fourth proportional to 4,080.45, 6,120.68 and 2,001.79 is: 3,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.45 : 6,120.68 = 2,001.79 : x
  2. Step 2: Convert to fraction form
    4,080.45/6,120.68 = 2,001.79/x
  3. Step 3: Cross multiply
    4,080.45x = 6,120.68 × 2,001.79
  4. Step 4: Simplify right side
    4,080.45x = 12,252,290.71
  5. Step 5: Solve for x
    x = 12,252,290.71/4,080.45
  6. Step 6: Final answer
    x = 3,002.68

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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.