Home / 4,147.64-5,729.34-3,314.19

Finding the Fourth Proportional to 4,147.64, 5,729.34 and 3,314.19

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Solution

The fourth proportional to 4,147.64, 5,729.34 and 3,314.19 is: 4,578.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.64 : 5,729.34 = 3,314.19 : x
  2. Step 2: Convert to fraction form
    4,147.64/5,729.34 = 3,314.19/x
  3. Step 3: Cross multiply
    4,147.64x = 5,729.34 × 3,314.19
  4. Step 4: Simplify right side
    4,147.64x = 18,988,129.81
  5. Step 5: Solve for x
    x = 18,988,129.81/4,147.64
  6. Step 6: Final answer
    x = 4,578.06

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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.