Home / 4,213.68-6,316.92-2,131.08

Finding the Fourth Proportional to 4,213.68, 6,316.92 and 2,131.08

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Solution

The fourth proportional to 4,213.68, 6,316.92 and 2,131.08 is: 3,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.68 : 6,316.92 = 2,131.08 : x
  2. Step 2: Convert to fraction form
    4,213.68/6,316.92 = 2,131.08/x
  3. Step 3: Cross multiply
    4,213.68x = 6,316.92 × 2,131.08
  4. Step 4: Simplify right side
    4,213.68x = 13,461,861.87
  5. Step 5: Solve for x
    x = 13,461,861.87/4,213.68
  6. Step 6: Final answer
    x = 3,194.80

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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.