Home / 8,004.51-12,006.75-2,161.11

Finding the Fourth Proportional to 8,004.51, 12,006.75 and 2,161.11

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Solution

The fourth proportional to 8,004.51, 12,006.75 and 2,161.11 is: 3,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.51 : 12,006.75 = 2,161.11 : x
  2. Step 2: Convert to fraction form
    8,004.51/12,006.75 = 2,161.11/x
  3. Step 3: Cross multiply
    8,004.51x = 12,006.75 × 2,161.11
  4. Step 4: Simplify right side
    8,004.51x = 25,947,907.49
  5. Step 5: Solve for x
    x = 25,947,907.49/8,004.51
  6. Step 6: Final answer
    x = 3,241.66

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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.