Home / 5,482.68-8,222.81-2,194.89

Finding the Fourth Proportional to 5,482.68, 8,222.81 and 2,194.89

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Solution

The fourth proportional to 5,482.68, 8,222.81 and 2,194.89 is: 3,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.68 : 8,222.81 = 2,194.89 : x
  2. Step 2: Convert to fraction form
    5,482.68/8,222.81 = 2,194.89/x
  3. Step 3: Cross multiply
    5,482.68x = 8,222.81 × 2,194.89
  4. Step 4: Simplify right side
    5,482.68x = 18,048,152.47
  5. Step 5: Solve for x
    x = 18,048,152.47/5,482.68
  6. Step 6: Final answer
    x = 3,291.85

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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.