Home / 7,626.96-11,439.26-2,080.74

Finding the Fourth Proportional to 7,626.96, 11,439.26 and 2,080.74

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Solution

The fourth proportional to 7,626.96, 11,439.26 and 2,080.74 is: 3,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.96 : 11,439.26 = 2,080.74 : x
  2. Step 2: Convert to fraction form
    7,626.96/11,439.26 = 2,080.74/x
  3. Step 3: Cross multiply
    7,626.96x = 11,439.26 × 2,080.74
  4. Step 4: Simplify right side
    7,626.96x = 23,802,125.85
  5. Step 5: Solve for x
    x = 23,802,125.85/7,626.96
  6. Step 6: Final answer
    x = 3,120.79

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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.