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Finding the Fourth Proportional to 6,651.65, 9,979.83 and 2,953.55

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Solution

The fourth proportional to 6,651.65, 9,979.83 and 2,953.55 is: 4,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.65 : 9,979.83 = 2,953.55 : x
  2. Step 2: Convert to fraction form
    6,651.65/9,979.83 = 2,953.55/x
  3. Step 3: Cross multiply
    6,651.65x = 9,979.83 × 2,953.55
  4. Step 4: Simplify right side
    6,651.65x = 29,475,877.00
  5. Step 5: Solve for x
    x = 29,475,877.00/6,651.65
  6. Step 6: Final answer
    x = 4,431.37

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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.