Home / 8,005.03-12,008.25-2,161.69

Finding the Fourth Proportional to 8,005.03, 12,008.25 and 2,161.69

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Solution

The fourth proportional to 8,005.03, 12,008.25 and 2,161.69 is: 3,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.03 : 12,008.25 = 2,161.69 : x
  2. Step 2: Convert to fraction form
    8,005.03/12,008.25 = 2,161.69/x
  3. Step 3: Cross multiply
    8,005.03x = 12,008.25 × 2,161.69
  4. Step 4: Simplify right side
    8,005.03x = 25,958,083.92
  5. Step 5: Solve for x
    x = 25,958,083.92/8,005.03
  6. Step 6: Final answer
    x = 3,242.72

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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.