Home / 9,146.50-13,721.64-2,906.38

Finding the Fourth Proportional to 9,146.50, 13,721.64 and 2,906.38

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Solution

The fourth proportional to 9,146.50, 13,721.64 and 2,906.38 is: 4,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.50 : 13,721.64 = 2,906.38 : x
  2. Step 2: Convert to fraction form
    9,146.50/13,721.64 = 2,906.38/x
  3. Step 3: Cross multiply
    9,146.50x = 13,721.64 × 2,906.38
  4. Step 4: Simplify right side
    9,146.50x = 39,880,306.32
  5. Step 5: Solve for x
    x = 39,880,306.32/9,146.50
  6. Step 6: Final answer
    x = 4,360.17

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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.