Home / 5,450.76-7,513.16-3,679.29

Finding the Fourth Proportional to 5,450.76, 7,513.16 and 3,679.29

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Solution

The fourth proportional to 5,450.76, 7,513.16 and 3,679.29 is: 5,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.76 : 7,513.16 = 3,679.29 : x
  2. Step 2: Convert to fraction form
    5,450.76/7,513.16 = 3,679.29/x
  3. Step 3: Cross multiply
    5,450.76x = 7,513.16 × 3,679.29
  4. Step 4: Simplify right side
    5,450.76x = 27,643,076.06
  5. Step 5: Solve for x
    x = 27,643,076.06/5,450.76
  6. Step 6: Final answer
    x = 5,071.42

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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.