Home / 5,102.07-7,042.33-3,085.49

Finding the Fourth Proportional to 5,102.07, 7,042.33 and 3,085.49

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Solution

The fourth proportional to 5,102.07, 7,042.33 and 3,085.49 is: 4,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.07 : 7,042.33 = 3,085.49 : x
  2. Step 2: Convert to fraction form
    5,102.07/7,042.33 = 3,085.49/x
  3. Step 3: Cross multiply
    5,102.07x = 7,042.33 × 3,085.49
  4. Step 4: Simplify right side
    5,102.07x = 21,729,020.64
  5. Step 5: Solve for x
    x = 21,729,020.64/5,102.07
  6. Step 6: Final answer
    x = 4,258.86

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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.