Home / 7,994.24-11,991.36-3,376.32

Finding the Fourth Proportional to 7,994.24, 11,991.36 and 3,376.32

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Solution

The fourth proportional to 7,994.24, 11,991.36 and 3,376.32 is: 5,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.24 : 11,991.36 = 3,376.32 : x
  2. Step 2: Convert to fraction form
    7,994.24/11,991.36 = 3,376.32/x
  3. Step 3: Cross multiply
    7,994.24x = 11,991.36 × 3,376.32
  4. Step 4: Simplify right side
    7,994.24x = 40,486,668.60
  5. Step 5: Solve for x
    x = 40,486,668.60/7,994.24
  6. Step 6: Final answer
    x = 5,064.48

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Similar ratio
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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.