Home / 5,482.20-8,223.12-2,194.41

Finding the Fourth Proportional to 5,482.20, 8,223.12 and 2,194.41

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Solution

The fourth proportional to 5,482.20, 8,223.12 and 2,194.41 is: 3,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.20 : 8,223.12 = 2,194.41 : x
  2. Step 2: Convert to fraction form
    5,482.20/8,223.12 = 2,194.41/x
  3. Step 3: Cross multiply
    5,482.20x = 8,223.12 × 2,194.41
  4. Step 4: Simplify right side
    5,482.20x = 18,044,896.76
  5. Step 5: Solve for x
    x = 18,044,896.76/5,482.20
  6. Step 6: Final answer
    x = 3,291.54

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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.