Home / 7,849.56-11,768.58-3,687.42

Finding the Fourth Proportional to 7,849.56, 11,768.58 and 3,687.42

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Solution

The fourth proportional to 7,849.56, 11,768.58 and 3,687.42 is: 5,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.56 : 11,768.58 = 3,687.42 : x
  2. Step 2: Convert to fraction form
    7,849.56/11,768.58 = 3,687.42/x
  3. Step 3: Cross multiply
    7,849.56x = 11,768.58 × 3,687.42
  4. Step 4: Simplify right side
    7,849.56x = 43,395,697.26
  5. Step 5: Solve for x
    x = 43,395,697.26/7,849.56
  6. Step 6: Final answer
    x = 5,528.42

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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.