Home / 4,114.60-6,176.70-2,659.80

Finding the Fourth Proportional to 4,114.60, 6,176.70 and 2,659.80

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Solution

The fourth proportional to 4,114.60, 6,176.70 and 2,659.80 is: 3,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.60 : 6,176.70 = 2,659.80 : x
  2. Step 2: Convert to fraction form
    4,114.60/6,176.70 = 2,659.80/x
  3. Step 3: Cross multiply
    4,114.60x = 6,176.70 × 2,659.80
  4. Step 4: Simplify right side
    4,114.60x = 16,428,786.66
  5. Step 5: Solve for x
    x = 16,428,786.66/4,114.60
  6. Step 6: Final answer
    x = 3,992.80

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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.