Home / 6,518.37-9,778.92-2,135.49

Finding the Fourth Proportional to 6,518.37, 9,778.92 and 2,135.49

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Solution

The fourth proportional to 6,518.37, 9,778.92 and 2,135.49 is: 3,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.37 : 9,778.92 = 2,135.49 : x
  2. Step 2: Convert to fraction form
    6,518.37/9,778.92 = 2,135.49/x
  3. Step 3: Cross multiply
    6,518.37x = 9,778.92 × 2,135.49
  4. Step 4: Simplify right side
    6,518.37x = 20,882,785.87
  5. Step 5: Solve for x
    x = 20,882,785.87/6,518.37
  6. Step 6: Final answer
    x = 3,203.68

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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.