Home / 4,213.35-6,318.20-3,240.14

Finding the Fourth Proportional to 4,213.35, 6,318.20 and 3,240.14

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Solution

The fourth proportional to 4,213.35, 6,318.20 and 3,240.14 is: 4,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.35 : 6,318.20 = 3,240.14 : x
  2. Step 2: Convert to fraction form
    4,213.35/6,318.20 = 3,240.14/x
  3. Step 3: Cross multiply
    4,213.35x = 6,318.20 × 3,240.14
  4. Step 4: Simplify right side
    4,213.35x = 20,471,829.06
  5. Step 5: Solve for x
    x = 20,471,829.06/4,213.35
  6. Step 6: Final answer
    x = 4,858.80

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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.