Home / 7,982.63-11,016.47-4,796.90

Finding the Fourth Proportional to 7,982.63, 11,016.47 and 4,796.90

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Solution

The fourth proportional to 7,982.63, 11,016.47 and 4,796.90 is: 6,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.63 : 11,016.47 = 4,796.90 : x
  2. Step 2: Convert to fraction form
    7,982.63/11,016.47 = 4,796.90/x
  3. Step 3: Cross multiply
    7,982.63x = 11,016.47 × 4,796.90
  4. Step 4: Simplify right side
    7,982.63x = 52,844,825.88
  5. Step 5: Solve for x
    x = 52,844,825.88/7,982.63
  6. Step 6: Final answer
    x = 6,619.98

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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.