Home / 4,914.80-6,782.44-2,676.68

Finding the Fourth Proportional to 4,914.80, 6,782.44 and 2,676.68

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Solution

The fourth proportional to 4,914.80, 6,782.44 and 2,676.68 is: 3,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.80 : 6,782.44 = 2,676.68 : x
  2. Step 2: Convert to fraction form
    4,914.80/6,782.44 = 2,676.68/x
  3. Step 3: Cross multiply
    4,914.80x = 6,782.44 × 2,676.68
  4. Step 4: Simplify right side
    4,914.80x = 18,154,421.50
  5. Step 5: Solve for x
    x = 18,154,421.50/4,914.80
  6. Step 6: Final answer
    x = 3,693.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.