Home / 6,371.21-9,556.81-4,179.43

Finding the Fourth Proportional to 6,371.21, 9,556.81 and 4,179.43

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Solution

The fourth proportional to 6,371.21, 9,556.81 and 4,179.43 is: 6,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.21 : 9,556.81 = 4,179.43 : x
  2. Step 2: Convert to fraction form
    6,371.21/9,556.81 = 4,179.43/x
  3. Step 3: Cross multiply
    6,371.21x = 9,556.81 × 4,179.43
  4. Step 4: Simplify right side
    6,371.21x = 39,942,018.42
  5. Step 5: Solve for x
    x = 39,942,018.42/6,371.21
  6. Step 6: Final answer
    x = 6,269.14

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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.