Home / 7,983.56-11,975.82-3,365

Finding the Fourth Proportional to 7,983.56, 11,975.82 and 3,365

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Solution

The fourth proportional to 7,983.56, 11,975.82 and 3,365 is: 5,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.56 : 11,975.82 = 3,365 : x
  2. Step 2: Convert to fraction form
    7,983.56/11,975.82 = 3,365/x
  3. Step 3: Cross multiply
    7,983.56x = 11,975.82 × 3,365
  4. Step 4: Simplify right side
    7,983.56x = 40,298,634.30
  5. Step 5: Solve for x
    x = 40,298,634.30/7,983.56
  6. Step 6: Final answer
    x = 5,047.70

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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.