Home / 5,086.14-7,018.45-2,847.88

Finding the Fourth Proportional to 5,086.14, 7,018.45 and 2,847.88

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Solution

The fourth proportional to 5,086.14, 7,018.45 and 2,847.88 is: 3,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.14 : 7,018.45 = 2,847.88 : x
  2. Step 2: Convert to fraction form
    5,086.14/7,018.45 = 2,847.88/x
  3. Step 3: Cross multiply
    5,086.14x = 7,018.45 × 2,847.88
  4. Step 4: Simplify right side
    5,086.14x = 19,987,724.78
  5. Step 5: Solve for x
    x = 19,987,724.78/5,086.14
  6. Step 6: Final answer
    x = 3,929.84

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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.