Home / 5,745.44-8,619.12-2,285.60

Finding the Fourth Proportional to 5,745.44, 8,619.12 and 2,285.60

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Solution

The fourth proportional to 5,745.44, 8,619.12 and 2,285.60 is: 3,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.44 : 8,619.12 = 2,285.60 : x
  2. Step 2: Convert to fraction form
    5,745.44/8,619.12 = 2,285.60/x
  3. Step 3: Cross multiply
    5,745.44x = 8,619.12 × 2,285.60
  4. Step 4: Simplify right side
    5,745.44x = 19,699,860.67
  5. Step 5: Solve for x
    x = 19,699,860.67/5,745.44
  6. Step 6: Final answer
    x = 3,428.78

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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.