Home / 8,163.84-11,268.66-4,629.40

Finding the Fourth Proportional to 8,163.84, 11,268.66 and 4,629.40

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Solution

The fourth proportional to 8,163.84, 11,268.66 and 4,629.40 is: 6,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.84 : 11,268.66 = 4,629.40 : x
  2. Step 2: Convert to fraction form
    8,163.84/11,268.66 = 4,629.40/x
  3. Step 3: Cross multiply
    8,163.84x = 11,268.66 × 4,629.40
  4. Step 4: Simplify right side
    8,163.84x = 52,167,134.60
  5. Step 5: Solve for x
    x = 52,167,134.60/8,163.84
  6. Step 6: Final answer
    x = 6,390.02

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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.