Home / 5,976.78-8,962.20-3,783.84

Finding the Fourth Proportional to 5,976.78, 8,962.20 and 3,783.84

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Solution

The fourth proportional to 5,976.78, 8,962.20 and 3,783.84 is: 5,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,976.78 : 8,962.20 = 3,783.84 : x
  2. Step 2: Convert to fraction form
    5,976.78/8,962.20 = 3,783.84/x
  3. Step 3: Cross multiply
    5,976.78x = 8,962.20 × 3,783.84
  4. Step 4: Simplify right side
    5,976.78x = 33,911,530.85
  5. Step 5: Solve for x
    x = 33,911,530.85/5,976.78
  6. Step 6: Final answer
    x = 5,673.88

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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.