Home / 7,739.24-11,609.67-3,579.62

Finding the Fourth Proportional to 7,739.24, 11,609.67 and 3,579.62

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Solution

The fourth proportional to 7,739.24, 11,609.67 and 3,579.62 is: 5,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.24 : 11,609.67 = 3,579.62 : x
  2. Step 2: Convert to fraction form
    7,739.24/11,609.67 = 3,579.62/x
  3. Step 3: Cross multiply
    7,739.24x = 11,609.67 × 3,579.62
  4. Step 4: Simplify right side
    7,739.24x = 41,558,206.93
  5. Step 5: Solve for x
    x = 41,558,206.93/7,739.24
  6. Step 6: Final answer
    x = 5,369.80

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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.