Home / 5,500.71-8,249.40-3,927.60

Finding the Fourth Proportional to 5,500.71, 8,249.40 and 3,927.60

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Solution

The fourth proportional to 5,500.71, 8,249.40 and 3,927.60 is: 5,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.71 : 8,249.40 = 3,927.60 : x
  2. Step 2: Convert to fraction form
    5,500.71/8,249.40 = 3,927.60/x
  3. Step 3: Cross multiply
    5,500.71x = 8,249.40 × 3,927.60
  4. Step 4: Simplify right side
    5,500.71x = 32,400,343.44
  5. Step 5: Solve for x
    x = 32,400,343.44/5,500.71
  6. Step 6: Final answer
    x = 5,890.21

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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.