Home / 7,845.65-11,768.87-2,002.31

Finding the Fourth Proportional to 7,845.65, 11,768.87 and 2,002.31

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Solution

The fourth proportional to 7,845.65, 11,768.87 and 2,002.31 is: 3,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.65 : 11,768.87 = 2,002.31 : x
  2. Step 2: Convert to fraction form
    7,845.65/11,768.87 = 2,002.31/x
  3. Step 3: Cross multiply
    7,845.65x = 11,768.87 × 2,002.31
  4. Step 4: Simplify right side
    7,845.65x = 23,564,872.25
  5. Step 5: Solve for x
    x = 23,564,872.25/7,845.65
  6. Step 6: Final answer
    x = 3,003.56

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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.