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Finding the Fourth Proportional to 6,571.61, 9,857.33 and 1,891.65

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Solution

The fourth proportional to 6,571.61, 9,857.33 and 1,891.65 is: 2,837.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.61 : 9,857.33 = 1,891.65 : x
  2. Step 2: Convert to fraction form
    6,571.61/9,857.33 = 1,891.65/x
  3. Step 3: Cross multiply
    6,571.61x = 9,857.33 × 1,891.65
  4. Step 4: Simplify right side
    6,571.61x = 18,646,608.84
  5. Step 5: Solve for x
    x = 18,646,608.84/6,571.61
  6. Step 6: Final answer
    x = 2,837.45

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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.