Home / 4,975.62-6,865.83-2,986.26

Finding the Fourth Proportional to 4,975.62, 6,865.83 and 2,986.26

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Solution

The fourth proportional to 4,975.62, 6,865.83 and 2,986.26 is: 4,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.62 : 6,865.83 = 2,986.26 : x
  2. Step 2: Convert to fraction form
    4,975.62/6,865.83 = 2,986.26/x
  3. Step 3: Cross multiply
    4,975.62x = 6,865.83 × 2,986.26
  4. Step 4: Simplify right side
    4,975.62x = 20,503,153.50
  5. Step 5: Solve for x
    x = 20,503,153.50/4,975.62
  6. Step 6: Final answer
    x = 4,120.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.