Home / 6,761.75-10,143.99-2,866.14

Finding the Fourth Proportional to 6,761.75, 10,143.99 and 2,866.14

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Solution

The fourth proportional to 6,761.75, 10,143.99 and 2,866.14 is: 4,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.75 : 10,143.99 = 2,866.14 : x
  2. Step 2: Convert to fraction form
    6,761.75/10,143.99 = 2,866.14/x
  3. Step 3: Cross multiply
    6,761.75x = 10,143.99 × 2,866.14
  4. Step 4: Simplify right side
    6,761.75x = 29,074,095.50
  5. Step 5: Solve for x
    x = 29,074,095.50/6,761.75
  6. Step 6: Final answer
    x = 4,299.79

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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.