Home / 8,004.42-12,006.39-2,161.38

Finding the Fourth Proportional to 8,004.42, 12,006.39 and 2,161.38

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Solution

The fourth proportional to 8,004.42, 12,006.39 and 2,161.38 is: 3,242.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.42 : 12,006.39 = 2,161.38 : x
  2. Step 2: Convert to fraction form
    8,004.42/12,006.39 = 2,161.38/x
  3. Step 3: Cross multiply
    8,004.42x = 12,006.39 × 2,161.38
  4. Step 4: Simplify right side
    8,004.42x = 25,950,371.22
  5. Step 5: Solve for x
    x = 25,950,371.22/8,004.42
  6. Step 6: Final answer
    x = 3,242.01

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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.