Home / 5,441.50-8,163.60-2,519.20

Finding the Fourth Proportional to 5,441.50, 8,163.60 and 2,519.20

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Solution

The fourth proportional to 5,441.50, 8,163.60 and 2,519.20 is: 3,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.50 : 8,163.60 = 2,519.20 : x
  2. Step 2: Convert to fraction form
    5,441.50/8,163.60 = 2,519.20/x
  3. Step 3: Cross multiply
    5,441.50x = 8,163.60 × 2,519.20
  4. Step 4: Simplify right side
    5,441.50x = 20,565,741.12
  5. Step 5: Solve for x
    x = 20,565,741.12/5,441.50
  6. Step 6: Final answer
    x = 3,779.42

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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.