Home / 4,791.69-7,186.71-1,328.13

Finding the Fourth Proportional to 4,791.69, 7,186.71 and 1,328.13

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Solution

The fourth proportional to 4,791.69, 7,186.71 and 1,328.13 is: 1,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.69 : 7,186.71 = 1,328.13 : x
  2. Step 2: Convert to fraction form
    4,791.69/7,186.71 = 1,328.13/x
  3. Step 3: Cross multiply
    4,791.69x = 7,186.71 × 1,328.13
  4. Step 4: Simplify right side
    4,791.69x = 9,544,885.15
  5. Step 5: Solve for x
    x = 9,544,885.15/4,791.69
  6. Step 6: Final answer
    x = 1,991.97

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1.5x scale

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.