Home / 4,917.34-6,783.99-3,239.56

Finding the Fourth Proportional to 4,917.34, 6,783.99 and 3,239.56

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Solution

The fourth proportional to 4,917.34, 6,783.99 and 3,239.56 is: 4,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.34 : 6,783.99 = 3,239.56 : x
  2. Step 2: Convert to fraction form
    4,917.34/6,783.99 = 3,239.56/x
  3. Step 3: Cross multiply
    4,917.34x = 6,783.99 × 3,239.56
  4. Step 4: Simplify right side
    4,917.34x = 21,977,138.98
  5. Step 5: Solve for x
    x = 21,977,138.98/4,917.34
  6. Step 6: Final answer
    x = 4,469.31

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1.5x scale

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.