Home / 6,823.09-9,415.84-3,838.92

Finding the Fourth Proportional to 6,823.09, 9,415.84 and 3,838.92

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Solution

The fourth proportional to 6,823.09, 9,415.84 and 3,838.92 is: 5,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.09 : 9,415.84 = 3,838.92 : x
  2. Step 2: Convert to fraction form
    6,823.09/9,415.84 = 3,838.92/x
  3. Step 3: Cross multiply
    6,823.09x = 9,415.84 × 3,838.92
  4. Step 4: Simplify right side
    6,823.09x = 36,146,690.39
  5. Step 5: Solve for x
    x = 36,146,690.39/6,823.09
  6. Step 6: Final answer
    x = 5,297.70

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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.