Home / 6,838.35-9,436.98-3,853.90

Finding the Fourth Proportional to 6,838.35, 9,436.98 and 3,853.90

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Solution

The fourth proportional to 6,838.35, 9,436.98 and 3,853.90 is: 5,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.35 : 9,436.98 = 3,853.90 : x
  2. Step 2: Convert to fraction form
    6,838.35/9,436.98 = 3,853.90/x
  3. Step 3: Cross multiply
    6,838.35x = 9,436.98 × 3,853.90
  4. Step 4: Simplify right side
    6,838.35x = 36,369,177.22
  5. Step 5: Solve for x
    x = 36,369,177.22/6,838.35
  6. Step 6: Final answer
    x = 5,318.41

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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.