Home / 8,976.90-13,466.46-3,054.78

Finding the Fourth Proportional to 8,976.90, 13,466.46 and 3,054.78

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Solution

The fourth proportional to 8,976.90, 13,466.46 and 3,054.78 is: 4,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.90 : 13,466.46 = 3,054.78 : x
  2. Step 2: Convert to fraction form
    8,976.90/13,466.46 = 3,054.78/x
  3. Step 3: Cross multiply
    8,976.90x = 13,466.46 × 3,054.78
  4. Step 4: Simplify right side
    8,976.90x = 41,137,072.68
  5. Step 5: Solve for x
    x = 41,137,072.68/8,976.90
  6. Step 6: Final answer
    x = 4,582.55

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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.