Home / 8,538.12-11,783.70-5,004.36

Finding the Fourth Proportional to 8,538.12, 11,783.70 and 5,004.36

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Solution

The fourth proportional to 8,538.12, 11,783.70 and 5,004.36 is: 6,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.12 : 11,783.70 = 5,004.36 : x
  2. Step 2: Convert to fraction form
    8,538.12/11,783.70 = 5,004.36/x
  3. Step 3: Cross multiply
    8,538.12x = 11,783.70 × 5,004.36
  4. Step 4: Simplify right side
    8,538.12x = 58,969,876.93
  5. Step 5: Solve for x
    x = 58,969,876.93/8,538.12
  6. Step 6: Final answer
    x = 6,906.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.