Home / 6,895.75-10,345.07-2,791.75

Finding the Fourth Proportional to 6,895.75, 10,345.07 and 2,791.75

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Solution

The fourth proportional to 6,895.75, 10,345.07 and 2,791.75 is: 4,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.75 : 10,345.07 = 2,791.75 : x
  2. Step 2: Convert to fraction form
    6,895.75/10,345.07 = 2,791.75/x
  3. Step 3: Cross multiply
    6,895.75x = 10,345.07 × 2,791.75
  4. Step 4: Simplify right side
    6,895.75x = 28,880,849.17
  5. Step 5: Solve for x
    x = 28,880,849.17/6,895.75
  6. Step 6: Final answer
    x = 4,188.21

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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.