Home / 4,083.24-6,121.84-1,308.30

Finding the Fourth Proportional to 4,083.24, 6,121.84 and 1,308.30

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Solution

The fourth proportional to 4,083.24, 6,121.84 and 1,308.30 is: 1,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.24 : 6,121.84 = 1,308.30 : x
  2. Step 2: Convert to fraction form
    4,083.24/6,121.84 = 1,308.30/x
  3. Step 3: Cross multiply
    4,083.24x = 6,121.84 × 1,308.30
  4. Step 4: Simplify right side
    4,083.24x = 8,009,203.27
  5. Step 5: Solve for x
    x = 8,009,203.27/4,083.24
  6. Step 6: Final answer
    x = 1,961.48

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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.