Home / 4,791.13-7,186.69-1,328.38

Finding the Fourth Proportional to 4,791.13, 7,186.69 and 1,328.38

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Solution

The fourth proportional to 4,791.13, 7,186.69 and 1,328.38 is: 1,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.13 : 7,186.69 = 1,328.38 : x
  2. Step 2: Convert to fraction form
    4,791.13/7,186.69 = 1,328.38/x
  3. Step 3: Cross multiply
    4,791.13x = 7,186.69 × 1,328.38
  4. Step 4: Simplify right side
    4,791.13x = 9,546,655.26
  5. Step 5: Solve for x
    x = 9,546,655.26/4,791.13
  6. Step 6: Final answer
    x = 1,992.57

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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.