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Finding the Fourth Proportional to 6,591, 9,886.22 and 3,815.68

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Solution

The fourth proportional to 6,591, 9,886.22 and 3,815.68 is: 5,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591 : 9,886.22 = 3,815.68 : x
  2. Step 2: Convert to fraction form
    6,591/9,886.22 = 3,815.68/x
  3. Step 3: Cross multiply
    6,591x = 9,886.22 × 3,815.68
  4. Step 4: Simplify right side
    6,591x = 37,722,651.93
  5. Step 5: Solve for x
    x = 37,722,651.93/6,591
  6. Step 6: Final answer
    x = 5,723.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.