Home / 7,750.10-11,628.50-2,820.44

Finding the Fourth Proportional to 7,750.10, 11,628.50 and 2,820.44

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Solution

The fourth proportional to 7,750.10, 11,628.50 and 2,820.44 is: 4,231.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.10 : 11,628.50 = 2,820.44 : x
  2. Step 2: Convert to fraction form
    7,750.10/11,628.50 = 2,820.44/x
  3. Step 3: Cross multiply
    7,750.10x = 11,628.50 × 2,820.44
  4. Step 4: Simplify right side
    7,750.10x = 32,797,414.30
  5. Step 5: Solve for x
    x = 32,797,414.30/7,750.10
  6. Step 6: Final answer
    x = 4,231.87

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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.