Home / 6,822.66-10,215.74-3,896.94

Finding the Fourth Proportional to 6,822.66, 10,215.74 and 3,896.94

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Solution

The fourth proportional to 6,822.66, 10,215.74 and 3,896.94 is: 5,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.66 : 10,215.74 = 3,896.94 : x
  2. Step 2: Convert to fraction form
    6,822.66/10,215.74 = 3,896.94/x
  3. Step 3: Cross multiply
    6,822.66x = 10,215.74 × 3,896.94
  4. Step 4: Simplify right side
    6,822.66x = 39,810,125.84
  5. Step 5: Solve for x
    x = 39,810,125.84/6,822.66
  6. Step 6: Final answer
    x = 5,834.99

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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.