Home / 7,907-11,839.44-5,125.64

Finding the Fourth Proportional to 7,907, 11,839.44 and 5,125.64

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Solution

The fourth proportional to 7,907, 11,839.44 and 5,125.64 is: 7,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907 : 11,839.44 = 5,125.64 : x
  2. Step 2: Convert to fraction form
    7,907/11,839.44 = 5,125.64/x
  3. Step 3: Cross multiply
    7,907x = 11,839.44 × 5,125.64
  4. Step 4: Simplify right side
    7,907x = 60,684,707.24
  5. Step 5: Solve for x
    x = 60,684,707.24/7,907
  6. Step 6: Final answer
    x = 7,674.81

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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.