Home / 7,739.45-11,614.19-2,808.68

Finding the Fourth Proportional to 7,739.45, 11,614.19 and 2,808.68

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Solution

The fourth proportional to 7,739.45, 11,614.19 and 2,808.68 is: 4,214.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.45 : 11,614.19 = 2,808.68 : x
  2. Step 2: Convert to fraction form
    7,739.45/11,614.19 = 2,808.68/x
  3. Step 3: Cross multiply
    7,739.45x = 11,614.19 × 2,808.68
  4. Step 4: Simplify right side
    7,739.45x = 32,620,471.05
  5. Step 5: Solve for x
    x = 32,620,471.05/7,739.45
  6. Step 6: Final answer
    x = 4,214.83

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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.