Home / 5,163.59-7,745.39-1,268.00

Finding the Fourth Proportional to 5,163.59, 7,745.39 and 1,268.00

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Solution

The fourth proportional to 5,163.59, 7,745.39 and 1,268.00 is: 1,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.59 : 7,745.39 = 1,268.00 : x
  2. Step 2: Convert to fraction form
    5,163.59/7,745.39 = 1,268.00/x
  3. Step 3: Cross multiply
    5,163.59x = 7,745.39 × 1,268.00
  4. Step 4: Simplify right side
    5,163.59x = 9,821,109.45
  5. Step 5: Solve for x
    x = 9,821,109.45/5,163.59
  6. Step 6: Final answer
    x = 1,901.99

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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.