Home / 4,117.78-6,178.12-2,736.60

Finding the Fourth Proportional to 4,117.78, 6,178.12 and 2,736.60

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Solution

The fourth proportional to 4,117.78, 6,178.12 and 2,736.60 is: 4,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.78 : 6,178.12 = 2,736.60 : x
  2. Step 2: Convert to fraction form
    4,117.78/6,178.12 = 2,736.60/x
  3. Step 3: Cross multiply
    4,117.78x = 6,178.12 × 2,736.60
  4. Step 4: Simplify right side
    4,117.78x = 16,907,043.19
  5. Step 5: Solve for x
    x = 16,907,043.19/4,117.78
  6. Step 6: Final answer
    x = 4,105.86

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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.