Home / 5,483.12-8,228.91-2,198.30

Finding the Fourth Proportional to 5,483.12, 8,228.91 and 2,198.30

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Solution

The fourth proportional to 5,483.12, 8,228.91 and 2,198.30 is: 3,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.12 : 8,228.91 = 2,198.30 : x
  2. Step 2: Convert to fraction form
    5,483.12/8,228.91 = 2,198.30/x
  3. Step 3: Cross multiply
    5,483.12x = 8,228.91 × 2,198.30
  4. Step 4: Simplify right side
    5,483.12x = 18,089,612.85
  5. Step 5: Solve for x
    x = 18,089,612.85/5,483.12
  6. Step 6: Final answer
    x = 3,299.15

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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.