Home / 4,269.88-6,405.76-1,308.73

Finding the Fourth Proportional to 4,269.88, 6,405.76 and 1,308.73

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Solution

The fourth proportional to 4,269.88, 6,405.76 and 1,308.73 is: 1,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.88 : 6,405.76 = 1,308.73 : x
  2. Step 2: Convert to fraction form
    4,269.88/6,405.76 = 1,308.73/x
  3. Step 3: Cross multiply
    4,269.88x = 6,405.76 × 1,308.73
  4. Step 4: Simplify right side
    4,269.88x = 8,383,410.28
  5. Step 5: Solve for x
    x = 8,383,410.28/4,269.88
  6. Step 6: Final answer
    x = 1,963.38

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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.