Home / 6,838.30-9,436.26-3,853.86

Finding the Fourth Proportional to 6,838.30, 9,436.26 and 3,853.86

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Solution

The fourth proportional to 6,838.30, 9,436.26 and 3,853.86 is: 5,317.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.30 : 9,436.26 = 3,853.86 : x
  2. Step 2: Convert to fraction form
    6,838.30/9,436.26 = 3,853.86/x
  3. Step 3: Cross multiply
    6,838.30x = 9,436.26 × 3,853.86
  4. Step 4: Simplify right side
    6,838.30x = 36,366,024.96
  5. Step 5: Solve for x
    x = 36,366,024.96/6,838.30
  6. Step 6: Final answer
    x = 5,317.99

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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.