Home / 5,499.29-8,249.75-1,989.56

Finding the Fourth Proportional to 5,499.29, 8,249.75 and 1,989.56

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Solution

The fourth proportional to 5,499.29, 8,249.75 and 1,989.56 is: 2,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.29 : 8,249.75 = 1,989.56 : x
  2. Step 2: Convert to fraction form
    5,499.29/8,249.75 = 1,989.56/x
  3. Step 3: Cross multiply
    5,499.29x = 8,249.75 × 1,989.56
  4. Step 4: Simplify right side
    5,499.29x = 16,413,321.41
  5. Step 5: Solve for x
    x = 16,413,321.41/5,499.29
  6. Step 6: Final answer
    x = 2,984.63

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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.