Home / 4,519.22-6,779.46-1,399.48

Finding the Fourth Proportional to 4,519.22, 6,779.46 and 1,399.48

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Solution

The fourth proportional to 4,519.22, 6,779.46 and 1,399.48 is: 2,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.22 : 6,779.46 = 1,399.48 : x
  2. Step 2: Convert to fraction form
    4,519.22/6,779.46 = 1,399.48/x
  3. Step 3: Cross multiply
    4,519.22x = 6,779.46 × 1,399.48
  4. Step 4: Simplify right side
    4,519.22x = 9,487,718.68
  5. Step 5: Solve for x
    x = 9,487,718.68/4,519.22
  6. Step 6: Final answer
    x = 2,099.42

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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.