Home / 7,739.82-10,680.62-4,202.96

Finding the Fourth Proportional to 7,739.82, 10,680.62 and 4,202.96

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Solution

The fourth proportional to 7,739.82, 10,680.62 and 4,202.96 is: 5,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.82 : 10,680.62 = 4,202.96 : x
  2. Step 2: Convert to fraction form
    7,739.82/10,680.62 = 4,202.96/x
  3. Step 3: Cross multiply
    7,739.82x = 10,680.62 × 4,202.96
  4. Step 4: Simplify right side
    7,739.82x = 44,890,218.64
  5. Step 5: Solve for x
    x = 44,890,218.64/7,739.82
  6. Step 6: Final answer
    x = 5,799.90

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1.5x scale

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.