Home / 4,986.80-6,877.44-2,996.64

Finding the Fourth Proportional to 4,986.80, 6,877.44 and 2,996.64

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Solution

The fourth proportional to 4,986.80, 6,877.44 and 2,996.64 is: 4,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.80 : 6,877.44 = 2,996.64 : x
  2. Step 2: Convert to fraction form
    4,986.80/6,877.44 = 2,996.64/x
  3. Step 3: Cross multiply
    4,986.80x = 6,877.44 × 2,996.64
  4. Step 4: Simplify right side
    4,986.80x = 20,609,211.80
  5. Step 5: Solve for x
    x = 20,609,211.80/4,986.80
  6. Step 6: Final answer
    x = 4,132.75

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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.