Home / 7,189.44-10,788.77-3,489.65

Finding the Fourth Proportional to 7,189.44, 10,788.77 and 3,489.65

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Solution

The fourth proportional to 7,189.44, 10,788.77 and 3,489.65 is: 5,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.44 : 10,788.77 = 3,489.65 : x
  2. Step 2: Convert to fraction form
    7,189.44/10,788.77 = 3,489.65/x
  3. Step 3: Cross multiply
    7,189.44x = 10,788.77 × 3,489.65
  4. Step 4: Simplify right side
    7,189.44x = 37,649,031.23
  5. Step 5: Solve for x
    x = 37,649,031.23/7,189.44
  6. Step 6: Final answer
    x = 5,236.71

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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.