Home / 5,211.64-7,190.27-3,196.06

Finding the Fourth Proportional to 5,211.64, 7,190.27 and 3,196.06

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Solution

The fourth proportional to 5,211.64, 7,190.27 and 3,196.06 is: 4,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.64 : 7,190.27 = 3,196.06 : x
  2. Step 2: Convert to fraction form
    5,211.64/7,190.27 = 3,196.06/x
  3. Step 3: Cross multiply
    5,211.64x = 7,190.27 × 3,196.06
  4. Step 4: Simplify right side
    5,211.64x = 22,980,512.37
  5. Step 5: Solve for x
    x = 22,980,512.37/5,211.64
  6. Step 6: Final answer
    x = 4,409.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.