Home / 5,483.21-8,220.19-2,194.50

Finding the Fourth Proportional to 5,483.21, 8,220.19 and 2,194.50

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Solution

The fourth proportional to 5,483.21, 8,220.19 and 2,194.50 is: 3,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.21 : 8,220.19 = 2,194.50 : x
  2. Step 2: Convert to fraction form
    5,483.21/8,220.19 = 2,194.50/x
  3. Step 3: Cross multiply
    5,483.21x = 8,220.19 × 2,194.50
  4. Step 4: Simplify right side
    5,483.21x = 18,039,201.47
  5. Step 5: Solve for x
    x = 18,039,201.47/5,483.21
  6. Step 6: Final answer
    x = 3,289.90

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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.