Home / 6,977.83-9,629.36-3,791.10

Finding the Fourth Proportional to 6,977.83, 9,629.36 and 3,791.10

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Solution

The fourth proportional to 6,977.83, 9,629.36 and 3,791.10 is: 5,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.83 : 9,629.36 = 3,791.10 : x
  2. Step 2: Convert to fraction form
    6,977.83/9,629.36 = 3,791.10/x
  3. Step 3: Cross multiply
    6,977.83x = 9,629.36 × 3,791.10
  4. Step 4: Simplify right side
    6,977.83x = 36,505,799.59
  5. Step 5: Solve for x
    x = 36,505,799.59/6,977.83
  6. Step 6: Final answer
    x = 5,231.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.