Home / 6,216.20-8,578.56-3,383.67

Finding the Fourth Proportional to 6,216.20, 8,578.56 and 3,383.67

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Solution

The fourth proportional to 6,216.20, 8,578.56 and 3,383.67 is: 4,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.20 : 8,578.56 = 3,383.67 : x
  2. Step 2: Convert to fraction form
    6,216.20/8,578.56 = 3,383.67/x
  3. Step 3: Cross multiply
    6,216.20x = 8,578.56 × 3,383.67
  4. Step 4: Simplify right side
    6,216.20x = 29,027,056.22
  5. Step 5: Solve for x
    x = 29,027,056.22/6,216.20
  6. Step 6: Final answer
    x = 4,669.58

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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.