Home / 7,170.44-10,753.74-1,976.60

Finding the Fourth Proportional to 7,170.44, 10,753.74 and 1,976.60

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Solution

The fourth proportional to 7,170.44, 10,753.74 and 1,976.60 is: 2,964.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.44 : 10,753.74 = 1,976.60 : x
  2. Step 2: Convert to fraction form
    7,170.44/10,753.74 = 1,976.60/x
  3. Step 3: Cross multiply
    7,170.44x = 10,753.74 × 1,976.60
  4. Step 4: Simplify right side
    7,170.44x = 21,255,842.48
  5. Step 5: Solve for x
    x = 21,255,842.48/7,170.44
  6. Step 6: Final answer
    x = 2,964.37

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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.