Home / 6,923.12-10,378.19-3,838.64

Finding the Fourth Proportional to 6,923.12, 10,378.19 and 3,838.64

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Solution

The fourth proportional to 6,923.12, 10,378.19 and 3,838.64 is: 5,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.12 : 10,378.19 = 3,838.64 : x
  2. Step 2: Convert to fraction form
    6,923.12/10,378.19 = 3,838.64/x
  3. Step 3: Cross multiply
    6,923.12x = 10,378.19 × 3,838.64
  4. Step 4: Simplify right side
    6,923.12x = 39,838,092.97
  5. Step 5: Solve for x
    x = 39,838,092.97/6,923.12
  6. Step 6: Final answer
    x = 5,754.36

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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.