Home / 6,860.96-10,291.44-2,756

Finding the Fourth Proportional to 6,860.96, 10,291.44 and 2,756

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Solution

The fourth proportional to 6,860.96, 10,291.44 and 2,756 is: 4,134

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.96 : 10,291.44 = 2,756 : x
  2. Step 2: Convert to fraction form
    6,860.96/10,291.44 = 2,756/x
  3. Step 3: Cross multiply
    6,860.96x = 10,291.44 × 2,756
  4. Step 4: Simplify right side
    6,860.96x = 28,363,208.64
  5. Step 5: Solve for x
    x = 28,363,208.64/6,860.96
  6. Step 6: Final answer
    x = 4,134

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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.