Home / 7,192.44-10,784.34-2,811.96

Finding the Fourth Proportional to 7,192.44, 10,784.34 and 2,811.96

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Solution

The fourth proportional to 7,192.44, 10,784.34 and 2,811.96 is: 4,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.44 : 10,784.34 = 2,811.96 : x
  2. Step 2: Convert to fraction form
    7,192.44/10,784.34 = 2,811.96/x
  3. Step 3: Cross multiply
    7,192.44x = 10,784.34 × 2,811.96
  4. Step 4: Simplify right side
    7,192.44x = 30,325,132.71
  5. Step 5: Solve for x
    x = 30,325,132.71/7,192.44
  6. Step 6: Final answer
    x = 4,216.25

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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.