Home / 6,216.15-8,578.32-3,383.55

Finding the Fourth Proportional to 6,216.15, 8,578.32 and 3,383.55

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Solution

The fourth proportional to 6,216.15, 8,578.32 and 3,383.55 is: 4,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.15 : 8,578.32 = 3,383.55 : x
  2. Step 2: Convert to fraction form
    6,216.15/8,578.32 = 3,383.55/x
  3. Step 3: Cross multiply
    6,216.15x = 8,578.32 × 3,383.55
  4. Step 4: Simplify right side
    6,216.15x = 29,025,174.64
  5. Step 5: Solve for x
    x = 29,025,174.64/6,216.15
  6. Step 6: Final answer
    x = 4,669.32

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Half scale
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Double scale
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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.