Home / 7,738.74-11,609.87-2,808.37

Finding the Fourth Proportional to 7,738.74, 11,609.87 and 2,808.37

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Solution

The fourth proportional to 7,738.74, 11,609.87 and 2,808.37 is: 4,213.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.74 : 11,609.87 = 2,808.37 : x
  2. Step 2: Convert to fraction form
    7,738.74/11,609.87 = 2,808.37/x
  3. Step 3: Cross multiply
    7,738.74x = 11,609.87 × 2,808.37
  4. Step 4: Simplify right side
    7,738.74x = 32,604,811.08
  5. Step 5: Solve for x
    x = 32,604,811.08/7,738.74
  6. Step 6: Final answer
    x = 4,213.19

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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.