Home / 5,119.80-7,673.22-2,196.60

Finding the Fourth Proportional to 5,119.80, 7,673.22 and 2,196.60

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Solution

The fourth proportional to 5,119.80, 7,673.22 and 2,196.60 is: 3,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.80 : 7,673.22 = 2,196.60 : x
  2. Step 2: Convert to fraction form
    5,119.80/7,673.22 = 2,196.60/x
  3. Step 3: Cross multiply
    5,119.80x = 7,673.22 × 2,196.60
  4. Step 4: Simplify right side
    5,119.80x = 16,854,995.05
  5. Step 5: Solve for x
    x = 16,854,995.05/5,119.80
  6. Step 6: Final answer
    x = 3,292.12

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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.