Home / 5,086.82-7,019.99-2,848.79

Finding the Fourth Proportional to 5,086.82, 7,019.99 and 2,848.79

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Solution

The fourth proportional to 5,086.82, 7,019.99 and 2,848.79 is: 3,931.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.82 : 7,019.99 = 2,848.79 : x
  2. Step 2: Convert to fraction form
    5,086.82/7,019.99 = 2,848.79/x
  3. Step 3: Cross multiply
    5,086.82x = 7,019.99 × 2,848.79
  4. Step 4: Simplify right side
    5,086.82x = 19,998,427.97
  5. Step 5: Solve for x
    x = 19,998,427.97/5,086.82
  6. Step 6: Final answer
    x = 3,931.42

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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.