Home / 7,820.96-11,731.50-2,626.83

Finding the Fourth Proportional to 7,820.96, 11,731.50 and 2,626.83

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Solution

The fourth proportional to 7,820.96, 11,731.50 and 2,626.83 is: 3,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.96 : 11,731.50 = 2,626.83 : x
  2. Step 2: Convert to fraction form
    7,820.96/11,731.50 = 2,626.83/x
  3. Step 3: Cross multiply
    7,820.96x = 11,731.50 × 2,626.83
  4. Step 4: Simplify right side
    7,820.96x = 30,816,656.15
  5. Step 5: Solve for x
    x = 30,816,656.15/7,820.96
  6. Step 6: Final answer
    x = 3,940.27

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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.