Home / 5,083.49-7,015.03-2,814.79

Finding the Fourth Proportional to 5,083.49, 7,015.03 and 2,814.79

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Solution

The fourth proportional to 5,083.49, 7,015.03 and 2,814.79 is: 3,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.49 : 7,015.03 = 2,814.79 : x
  2. Step 2: Convert to fraction form
    5,083.49/7,015.03 = 2,814.79/x
  3. Step 3: Cross multiply
    5,083.49x = 7,015.03 × 2,814.79
  4. Step 4: Simplify right side
    5,083.49x = 19,745,817.38
  5. Step 5: Solve for x
    x = 19,745,817.38/5,083.49
  6. Step 6: Final answer
    x = 3,884.30

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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.