Home / 4,109.28-6,163.75-1,643.44

Finding the Fourth Proportional to 4,109.28, 6,163.75 and 1,643.44

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Solution

The fourth proportional to 4,109.28, 6,163.75 and 1,643.44 is: 2,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.28 : 6,163.75 = 1,643.44 : x
  2. Step 2: Convert to fraction form
    4,109.28/6,163.75 = 1,643.44/x
  3. Step 3: Cross multiply
    4,109.28x = 6,163.75 × 1,643.44
  4. Step 4: Simplify right side
    4,109.28x = 10,129,753.30
  5. Step 5: Solve for x
    x = 10,129,753.30/4,109.28
  6. Step 6: Final answer
    x = 2,465.09

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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.