Home / 6,822.68-9,416.13-3,838.64

Finding the Fourth Proportional to 6,822.68, 9,416.13 and 3,838.64

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Solution

The fourth proportional to 6,822.68, 9,416.13 and 3,838.64 is: 5,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.68 : 9,416.13 = 3,838.64 : x
  2. Step 2: Convert to fraction form
    6,822.68/9,416.13 = 3,838.64/x
  3. Step 3: Cross multiply
    6,822.68x = 9,416.13 × 3,838.64
  4. Step 4: Simplify right side
    6,822.68x = 36,145,133.26
  5. Step 5: Solve for x
    x = 36,145,133.26/6,822.68
  6. Step 6: Final answer
    x = 5,297.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.