Home / 7,877.16-11,837.44-4,182.15

Finding the Fourth Proportional to 7,877.16, 11,837.44 and 4,182.15

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Solution

The fourth proportional to 7,877.16, 11,837.44 and 4,182.15 is: 6,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.16 : 11,837.44 = 4,182.15 : x
  2. Step 2: Convert to fraction form
    7,877.16/11,837.44 = 4,182.15/x
  3. Step 3: Cross multiply
    7,877.16x = 11,837.44 × 4,182.15
  4. Step 4: Simplify right side
    7,877.16x = 49,505,958.38
  5. Step 5: Solve for x
    x = 49,505,958.38/7,877.16
  6. Step 6: Final answer
    x = 6,284.75

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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.