Home / 5,111.10-7,060.08-3,791.61

Finding the Fourth Proportional to 5,111.10, 7,060.08 and 3,791.61

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Solution

The fourth proportional to 5,111.10, 7,060.08 and 3,791.61 is: 5,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.10 : 7,060.08 = 3,791.61 : x
  2. Step 2: Convert to fraction form
    5,111.10/7,060.08 = 3,791.61/x
  3. Step 3: Cross multiply
    5,111.10x = 7,060.08 × 3,791.61
  4. Step 4: Simplify right side
    5,111.10x = 26,769,069.93
  5. Step 5: Solve for x
    x = 26,769,069.93/5,111.10
  6. Step 6: Final answer
    x = 5,237.44

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Why These Related Problems?

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