Home / 7,742.32-11,611.96-2,194.32

Finding the Fourth Proportional to 7,742.32, 11,611.96 and 2,194.32

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Solution

The fourth proportional to 7,742.32, 11,611.96 and 2,194.32 is: 3,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.32 : 11,611.96 = 2,194.32 : x
  2. Step 2: Convert to fraction form
    7,742.32/11,611.96 = 2,194.32/x
  3. Step 3: Cross multiply
    7,742.32x = 11,611.96 × 2,194.32
  4. Step 4: Simplify right side
    7,742.32x = 25,480,394.13
  5. Step 5: Solve for x
    x = 25,480,394.13/7,742.32
  6. Step 6: Final answer
    x = 3,291.06

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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.