Home / 4,791.36-7,186.94-1,328.52

Finding the Fourth Proportional to 4,791.36, 7,186.94 and 1,328.52

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Solution

The fourth proportional to 4,791.36, 7,186.94 and 1,328.52 is: 1,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.36 : 7,186.94 = 1,328.52 : x
  2. Step 2: Convert to fraction form
    4,791.36/7,186.94 = 1,328.52/x
  3. Step 3: Cross multiply
    4,791.36x = 7,186.94 × 1,328.52
  4. Step 4: Simplify right side
    4,791.36x = 9,547,993.53
  5. Step 5: Solve for x
    x = 9,547,993.53/4,791.36
  6. Step 6: Final answer
    x = 1,992.75

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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.