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Finding the Fourth Proportional to 6,869.00, 9,479.68 and 3,884.83

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Solution

The fourth proportional to 6,869.00, 9,479.68 and 3,884.83 is: 5,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.00 : 9,479.68 = 3,884.83 : x
  2. Step 2: Convert to fraction form
    6,869.00/9,479.68 = 3,884.83/x
  3. Step 3: Cross multiply
    6,869.00x = 9,479.68 × 3,884.83
  4. Step 4: Simplify right side
    6,869.00x = 36,826,926.41
  5. Step 5: Solve for x
    x = 36,826,926.41/6,869.00
  6. Step 6: Final answer
    x = 5,361.33

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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.