Home / 9,146.70-13,715.97-2,905.56

Finding the Fourth Proportional to 9,146.70, 13,715.97 and 2,905.56

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Solution

The fourth proportional to 9,146.70, 13,715.97 and 2,905.56 is: 4,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.70 : 13,715.97 = 2,905.56 : x
  2. Step 2: Convert to fraction form
    9,146.70/13,715.97 = 2,905.56/x
  3. Step 3: Cross multiply
    9,146.70x = 13,715.97 × 2,905.56
  4. Step 4: Simplify right side
    9,146.70x = 39,852,573.79
  5. Step 5: Solve for x
    x = 39,852,573.79/9,146.70
  6. Step 6: Final answer
    x = 4,357.04

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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.