Home / 4,743.45-7,116.62-2,146.41

Finding the Fourth Proportional to 4,743.45, 7,116.62 and 2,146.41

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Solution

The fourth proportional to 4,743.45, 7,116.62 and 2,146.41 is: 3,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.45 : 7,116.62 = 2,146.41 : x
  2. Step 2: Convert to fraction form
    4,743.45/7,116.62 = 2,146.41/x
  3. Step 3: Cross multiply
    4,743.45x = 7,116.62 × 2,146.41
  4. Step 4: Simplify right side
    4,743.45x = 15,275,173.60
  5. Step 5: Solve for x
    x = 15,275,173.60/4,743.45
  6. Step 6: Final answer
    x = 3,220.27

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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.