Home / 6,922.13-10,383.14-1,728

Finding the Fourth Proportional to 6,922.13, 10,383.14 and 1,728

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Solution

The fourth proportional to 6,922.13, 10,383.14 and 1,728 is: 2,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.13 : 10,383.14 = 1,728 : x
  2. Step 2: Convert to fraction form
    6,922.13/10,383.14 = 1,728/x
  3. Step 3: Cross multiply
    6,922.13x = 10,383.14 × 1,728
  4. Step 4: Simplify right side
    6,922.13x = 17,942,070.24
  5. Step 5: Solve for x
    x = 17,942,070.24/6,922.13
  6. Step 6: Final answer
    x = 2,591.99

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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.