Home / 8,204.83-12,310.31-4,920.28

Finding the Fourth Proportional to 8,204.83, 12,310.31 and 4,920.28

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Solution

The fourth proportional to 8,204.83, 12,310.31 and 4,920.28 is: 7,382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.83 : 12,310.31 = 4,920.28 : x
  2. Step 2: Convert to fraction form
    8,204.83/12,310.31 = 4,920.28/x
  3. Step 3: Cross multiply
    8,204.83x = 12,310.31 × 4,920.28
  4. Step 4: Simplify right side
    8,204.83x = 60,570,172.09
  5. Step 5: Solve for x
    x = 60,570,172.09/8,204.83
  6. Step 6: Final answer
    x = 7,382.26

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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.