Home / 6,821.44-10,225.20-4,047.60

Finding the Fourth Proportional to 6,821.44, 10,225.20 and 4,047.60

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Solution

The fourth proportional to 6,821.44, 10,225.20 and 4,047.60 is: 6,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.44 : 10,225.20 = 4,047.60 : x
  2. Step 2: Convert to fraction form
    6,821.44/10,225.20 = 4,047.60/x
  3. Step 3: Cross multiply
    6,821.44x = 10,225.20 × 4,047.60
  4. Step 4: Simplify right side
    6,821.44x = 41,387,519.52
  5. Step 5: Solve for x
    x = 41,387,519.52/6,821.44
  6. Step 6: Final answer
    x = 6,067.27

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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.