Home / 8,563.82-11,816.73-4,979.57

Finding the Fourth Proportional to 8,563.82, 11,816.73 and 4,979.57

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Solution

The fourth proportional to 8,563.82, 11,816.73 and 4,979.57 is: 6,871.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.82 : 11,816.73 = 4,979.57 : x
  2. Step 2: Convert to fraction form
    8,563.82/11,816.73 = 4,979.57/x
  3. Step 3: Cross multiply
    8,563.82x = 11,816.73 × 4,979.57
  4. Step 4: Simplify right side
    8,563.82x = 58,842,175.12
  5. Step 5: Solve for x
    x = 58,842,175.12/8,563.82
  6. Step 6: Final answer
    x = 6,871.02

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Why These Related Problems?

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