Home / 7,889.16-11,837.25-4,190.49

Finding the Fourth Proportional to 7,889.16, 11,837.25 and 4,190.49

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Solution

The fourth proportional to 7,889.16, 11,837.25 and 4,190.49 is: 6,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.16 : 11,837.25 = 4,190.49 : x
  2. Step 2: Convert to fraction form
    7,889.16/11,837.25 = 4,190.49/x
  3. Step 3: Cross multiply
    7,889.16x = 11,837.25 × 4,190.49
  4. Step 4: Simplify right side
    7,889.16x = 49,603,877.75
  5. Step 5: Solve for x
    x = 49,603,877.75/7,889.16
  6. Step 6: Final answer
    x = 6,287.60

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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.