Home / 7,415.56-11,124.03-2,735.38

Finding the Fourth Proportional to 7,415.56, 11,124.03 and 2,735.38

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Solution

The fourth proportional to 7,415.56, 11,124.03 and 2,735.38 is: 4,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.56 : 11,124.03 = 2,735.38 : x
  2. Step 2: Convert to fraction form
    7,415.56/11,124.03 = 2,735.38/x
  3. Step 3: Cross multiply
    7,415.56x = 11,124.03 × 2,735.38
  4. Step 4: Simplify right side
    7,415.56x = 30,428,449.18
  5. Step 5: Solve for x
    x = 30,428,449.18/7,415.56
  6. Step 6: Final answer
    x = 4,103.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.