Home / 8,682.04-13,021.00-3,999.12

Finding the Fourth Proportional to 8,682.04, 13,021.00 and 3,999.12

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Solution

The fourth proportional to 8,682.04, 13,021.00 and 3,999.12 is: 5,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.04 : 13,021.00 = 3,999.12 : x
  2. Step 2: Convert to fraction form
    8,682.04/13,021.00 = 3,999.12/x
  3. Step 3: Cross multiply
    8,682.04x = 13,021.00 × 3,999.12
  4. Step 4: Simplify right side
    8,682.04x = 52,072,578.43
  5. Step 5: Solve for x
    x = 52,072,578.43/8,682.04
  6. Step 6: Final answer
    x = 5,997.74

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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.