Home / 4,255.45-6,383.63-1,293.89

Finding the Fourth Proportional to 4,255.45, 6,383.63 and 1,293.89

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Solution

The fourth proportional to 4,255.45, 6,383.63 and 1,293.89 is: 1,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.45 : 6,383.63 = 1,293.89 : x
  2. Step 2: Convert to fraction form
    4,255.45/6,383.63 = 1,293.89/x
  3. Step 3: Cross multiply
    4,255.45x = 6,383.63 × 1,293.89
  4. Step 4: Simplify right side
    4,255.45x = 8,259,686.34
  5. Step 5: Solve for x
    x = 8,259,686.34/4,255.45
  6. Step 6: Final answer
    x = 1,940.97

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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.