Home / 4,318.82-6,469.64-3,328.18

Finding the Fourth Proportional to 4,318.82, 6,469.64 and 3,328.18

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Solution

The fourth proportional to 4,318.82, 6,469.64 and 3,328.18 is: 4,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.82 : 6,469.64 = 3,328.18 : x
  2. Step 2: Convert to fraction form
    4,318.82/6,469.64 = 3,328.18/x
  3. Step 3: Cross multiply
    4,318.82x = 6,469.64 × 3,328.18
  4. Step 4: Simplify right side
    4,318.82x = 21,532,093.64
  5. Step 5: Solve for x
    x = 21,532,093.64/4,318.82
  6. Step 6: Final answer
    x = 4,985.64

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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.