Home / 4,245.12-6,338.21-3,982.68

Finding the Fourth Proportional to 4,245.12, 6,338.21 and 3,982.68

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Solution

The fourth proportional to 4,245.12, 6,338.21 and 3,982.68 is: 5,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.12 : 6,338.21 = 3,982.68 : x
  2. Step 2: Convert to fraction form
    4,245.12/6,338.21 = 3,982.68/x
  3. Step 3: Cross multiply
    4,245.12x = 6,338.21 × 3,982.68
  4. Step 4: Simplify right side
    4,245.12x = 25,243,042.29
  5. Step 5: Solve for x
    x = 25,243,042.29/4,245.12
  6. Step 6: Final answer
    x = 5,946.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.