Home / 7,741.43-11,612.60-2,194.31

Finding the Fourth Proportional to 7,741.43, 11,612.60 and 2,194.31

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Solution

The fourth proportional to 7,741.43, 11,612.60 and 2,194.31 is: 3,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.43 : 11,612.60 = 2,194.31 : x
  2. Step 2: Convert to fraction form
    7,741.43/11,612.60 = 2,194.31/x
  3. Step 3: Cross multiply
    7,741.43x = 11,612.60 × 2,194.31
  4. Step 4: Simplify right side
    7,741.43x = 25,481,678.82
  5. Step 5: Solve for x
    x = 25,481,678.82/7,741.43
  6. Step 6: Final answer
    x = 3,291.60

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1.5x scale

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.