Home / 5,499.09-8,249.03-1,991.18

Finding the Fourth Proportional to 5,499.09, 8,249.03 and 1,991.18

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Solution

The fourth proportional to 5,499.09, 8,249.03 and 1,991.18 is: 2,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.09 : 8,249.03 = 1,991.18 : x
  2. Step 2: Convert to fraction form
    5,499.09/8,249.03 = 1,991.18/x
  3. Step 3: Cross multiply
    5,499.09x = 8,249.03 × 1,991.18
  4. Step 4: Simplify right side
    5,499.09x = 16,425,303.56
  5. Step 5: Solve for x
    x = 16,425,303.56/5,499.09
  6. Step 6: Final answer
    x = 2,986.91

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Double scale
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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.