Home / 4,260.36-6,385.79-3,216.98

Finding the Fourth Proportional to 4,260.36, 6,385.79 and 3,216.98

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Solution

The fourth proportional to 4,260.36, 6,385.79 and 3,216.98 is: 4,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.36 : 6,385.79 = 3,216.98 : x
  2. Step 2: Convert to fraction form
    4,260.36/6,385.79 = 3,216.98/x
  3. Step 3: Cross multiply
    4,260.36x = 6,385.79 × 3,216.98
  4. Step 4: Simplify right side
    4,260.36x = 20,542,910.70
  5. Step 5: Solve for x
    x = 20,542,910.70/4,260.36
  6. Step 6: Final answer
    x = 4,821.87

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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.