Home / 4,765.26-7,147.08-2,131.68

Finding the Fourth Proportional to 4,765.26, 7,147.08 and 2,131.68

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Solution

The fourth proportional to 4,765.26, 7,147.08 and 2,131.68 is: 3,197.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.26 : 7,147.08 = 2,131.68 : x
  2. Step 2: Convert to fraction form
    4,765.26/7,147.08 = 2,131.68/x
  3. Step 3: Cross multiply
    4,765.26x = 7,147.08 × 2,131.68
  4. Step 4: Simplify right side
    4,765.26x = 15,235,287.49
  5. Step 5: Solve for x
    x = 15,235,287.49/4,765.26
  6. Step 6: Final answer
    x = 3,197.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.