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Finding the Fourth Proportional to 6,818.62, 9,409.03 and 3,834.39

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Solution

The fourth proportional to 6,818.62, 9,409.03 and 3,834.39 is: 5,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.62 : 9,409.03 = 3,834.39 : x
  2. Step 2: Convert to fraction form
    6,818.62/9,409.03 = 3,834.39/x
  3. Step 3: Cross multiply
    6,818.62x = 9,409.03 × 3,834.39
  4. Step 4: Simplify right side
    6,818.62x = 36,077,859.27
  5. Step 5: Solve for x
    x = 36,077,859.27/6,818.62
  6. Step 6: Final answer
    x = 5,291.08

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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.