Home / 9,146.34-13,721.54-2,908.26

Finding the Fourth Proportional to 9,146.34, 13,721.54 and 2,908.26

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Solution

The fourth proportional to 9,146.34, 13,721.54 and 2,908.26 is: 4,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.34 : 13,721.54 = 2,908.26 : x
  2. Step 2: Convert to fraction form
    9,146.34/13,721.54 = 2,908.26/x
  3. Step 3: Cross multiply
    9,146.34x = 13,721.54 × 2,908.26
  4. Step 4: Simplify right side
    9,146.34x = 39,905,791.38
  5. Step 5: Solve for x
    x = 39,905,791.38/9,146.34
  6. Step 6: Final answer
    x = 4,363.03

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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.