Home / 10,791.44-16,185.24-3,772.40

Finding the Fourth Proportional to 10,791.44, 16,185.24 and 3,772.40

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Solution

The fourth proportional to 10,791.44, 16,185.24 and 3,772.40 is: 5,657.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.44 : 16,185.24 = 3,772.40 : x
  2. Step 2: Convert to fraction form
    10,791.44/16,185.24 = 3,772.40/x
  3. Step 3: Cross multiply
    10,791.44x = 16,185.24 × 3,772.40
  4. Step 4: Simplify right side
    10,791.44x = 61,057,199.38
  5. Step 5: Solve for x
    x = 61,057,199.38/10,791.44
  6. Step 6: Final answer
    x = 5,657.93

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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.