Home / 7,608.20-11,402.41-3,100.00

Finding the Fourth Proportional to 7,608.20, 11,402.41 and 3,100.00

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Solution

The fourth proportional to 7,608.20, 11,402.41 and 3,100.00 is: 4,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.20 : 11,402.41 = 3,100.00 : x
  2. Step 2: Convert to fraction form
    7,608.20/11,402.41 = 3,100.00/x
  3. Step 3: Cross multiply
    7,608.20x = 11,402.41 × 3,100.00
  4. Step 4: Simplify right side
    7,608.20x = 35,347,442.94
  5. Step 5: Solve for x
    x = 35,347,442.94/7,608.20
  6. Step 6: Final answer
    x = 4,645.97

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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.