Home / 4,196.60-6,293.10-2,115.80

Finding the Fourth Proportional to 4,196.60, 6,293.10 and 2,115.80

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Solution

The fourth proportional to 4,196.60, 6,293.10 and 2,115.80 is: 3,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,196.60 : 6,293.10 = 2,115.80 : x
  2. Step 2: Convert to fraction form
    4,196.60/6,293.10 = 2,115.80/x
  3. Step 3: Cross multiply
    4,196.60x = 6,293.10 × 2,115.80
  4. Step 4: Simplify right side
    4,196.60x = 13,314,940.98
  5. Step 5: Solve for x
    x = 13,314,940.98/4,196.60
  6. Step 6: Final answer
    x = 3,172.79

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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.