Home / 5,449.10-7,519.50-3,091.28

Finding the Fourth Proportional to 5,449.10, 7,519.50 and 3,091.28

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Solution

The fourth proportional to 5,449.10, 7,519.50 and 3,091.28 is: 4,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.10 : 7,519.50 = 3,091.28 : x
  2. Step 2: Convert to fraction form
    5,449.10/7,519.50 = 3,091.28/x
  3. Step 3: Cross multiply
    5,449.10x = 7,519.50 × 3,091.28
  4. Step 4: Simplify right side
    5,449.10x = 23,244,842.36
  5. Step 5: Solve for x
    x = 23,244,842.36/5,449.10
  6. Step 6: Final answer
    x = 4,265.82

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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.