Home / 8,004.48-12,004.90-2,161.56

Finding the Fourth Proportional to 8,004.48, 12,004.90 and 2,161.56

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Solution

The fourth proportional to 8,004.48, 12,004.90 and 2,161.56 is: 3,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.48 : 12,004.90 = 2,161.56 : x
  2. Step 2: Convert to fraction form
    8,004.48/12,004.90 = 2,161.56/x
  3. Step 3: Cross multiply
    8,004.48x = 12,004.90 × 2,161.56
  4. Step 4: Simplify right side
    8,004.48x = 25,949,311.64
  5. Step 5: Solve for x
    x = 25,949,311.64/8,004.48
  6. Step 6: Final answer
    x = 3,241.85

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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.