Home / 8,204.72-12,290.64-3,816.08

Finding the Fourth Proportional to 8,204.72, 12,290.64 and 3,816.08

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Solution

The fourth proportional to 8,204.72, 12,290.64 and 3,816.08 is: 5,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.72 : 12,290.64 = 3,816.08 : x
  2. Step 2: Convert to fraction form
    8,204.72/12,290.64 = 3,816.08/x
  3. Step 3: Cross multiply
    8,204.72x = 12,290.64 × 3,816.08
  4. Step 4: Simplify right side
    8,204.72x = 46,902,065.49
  5. Step 5: Solve for x
    x = 46,902,065.49/8,204.72
  6. Step 6: Final answer
    x = 5,716.47

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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.