Home / 9,147.06-13,715.46-2,905.94

Finding the Fourth Proportional to 9,147.06, 13,715.46 and 2,905.94

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Solution

The fourth proportional to 9,147.06, 13,715.46 and 2,905.94 is: 4,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.06 : 13,715.46 = 2,905.94 : x
  2. Step 2: Convert to fraction form
    9,147.06/13,715.46 = 2,905.94/x
  3. Step 3: Cross multiply
    9,147.06x = 13,715.46 × 2,905.94
  4. Step 4: Simplify right side
    9,147.06x = 39,856,338.12
  5. Step 5: Solve for x
    x = 39,856,338.12/9,147.06
  6. Step 6: Final answer
    x = 4,357.28

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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.