Home / 7,736.74-11,605.09-2,806.37

Finding the Fourth Proportional to 7,736.74, 11,605.09 and 2,806.37

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Solution

The fourth proportional to 7,736.74, 11,605.09 and 2,806.37 is: 4,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.74 : 11,605.09 = 2,806.37 : x
  2. Step 2: Convert to fraction form
    7,736.74/11,605.09 = 2,806.37/x
  3. Step 3: Cross multiply
    7,736.74x = 11,605.09 × 2,806.37
  4. Step 4: Simplify right side
    7,736.74x = 32,568,176.42
  5. Step 5: Solve for x
    x = 32,568,176.42/7,736.74
  6. Step 6: Final answer
    x = 4,209.55

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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.