Home / 8,920.98-13,376.79-3,076.25

Finding the Fourth Proportional to 8,920.98, 13,376.79 and 3,076.25

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Solution

The fourth proportional to 8,920.98, 13,376.79 and 3,076.25 is: 4,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.98 : 13,376.79 = 3,076.25 : x
  2. Step 2: Convert to fraction form
    8,920.98/13,376.79 = 3,076.25/x
  3. Step 3: Cross multiply
    8,920.98x = 13,376.79 × 3,076.25
  4. Step 4: Simplify right side
    8,920.98x = 41,150,283.35
  5. Step 5: Solve for x
    x = 41,150,283.35/8,920.98
  6. Step 6: Final answer
    x = 4,612.75

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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.