Home / 8,004.64-12,006.84-3,619.04

Finding the Fourth Proportional to 8,004.64, 12,006.84 and 3,619.04

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Solution

The fourth proportional to 8,004.64, 12,006.84 and 3,619.04 is: 5,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.64 : 12,006.84 = 3,619.04 : x
  2. Step 2: Convert to fraction form
    8,004.64/12,006.84 = 3,619.04/x
  3. Step 3: Cross multiply
    8,004.64x = 12,006.84 × 3,619.04
  4. Step 4: Simplify right side
    8,004.64x = 43,453,234.23
  5. Step 5: Solve for x
    x = 43,453,234.23/8,004.64
  6. Step 6: Final answer
    x = 5,428.51

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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.