Home / 5,045.45-6,961.33-3,028.34

Finding the Fourth Proportional to 5,045.45, 6,961.33 and 3,028.34

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Solution

The fourth proportional to 5,045.45, 6,961.33 and 3,028.34 is: 4,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.45 : 6,961.33 = 3,028.34 : x
  2. Step 2: Convert to fraction form
    5,045.45/6,961.33 = 3,028.34/x
  3. Step 3: Cross multiply
    5,045.45x = 6,961.33 × 3,028.34
  4. Step 4: Simplify right side
    5,045.45x = 21,081,239.09
  5. Step 5: Solve for x
    x = 21,081,239.09/5,045.45
  6. Step 6: Final answer
    x = 4,178.27

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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.