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Finding the Fourth Proportional to 5,180.94, 7,769.00 and 1,670.29

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Solution

The fourth proportional to 5,180.94, 7,769.00 and 1,670.29 is: 2,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.94 : 7,769.00 = 1,670.29 : x
  2. Step 2: Convert to fraction form
    5,180.94/7,769.00 = 1,670.29/x
  3. Step 3: Cross multiply
    5,180.94x = 7,769.00 × 1,670.29
  4. Step 4: Simplify right side
    5,180.94x = 12,976,467.76
  5. Step 5: Solve for x
    x = 12,976,467.76/5,180.94
  6. Step 6: Final answer
    x = 2,504.66

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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.