Home / 5,192.30-7,165.40-2,834.49

Finding the Fourth Proportional to 5,192.30, 7,165.40 and 2,834.49

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Solution

The fourth proportional to 5,192.30, 7,165.40 and 2,834.49 is: 3,911.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.30 : 7,165.40 = 2,834.49 : x
  2. Step 2: Convert to fraction form
    5,192.30/7,165.40 = 2,834.49/x
  3. Step 3: Cross multiply
    5,192.30x = 7,165.40 × 2,834.49
  4. Step 4: Simplify right side
    5,192.30x = 20,310,240.47
  5. Step 5: Solve for x
    x = 20,310,240.47/5,192.30
  6. Step 6: Final answer
    x = 3,911.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.