Home / 6,977.45-10,469.06-2,820.39

Finding the Fourth Proportional to 6,977.45, 10,469.06 and 2,820.39

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Solution

The fourth proportional to 6,977.45, 10,469.06 and 2,820.39 is: 4,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.45 : 10,469.06 = 2,820.39 : x
  2. Step 2: Convert to fraction form
    6,977.45/10,469.06 = 2,820.39/x
  3. Step 3: Cross multiply
    6,977.45x = 10,469.06 × 2,820.39
  4. Step 4: Simplify right side
    6,977.45x = 29,526,818.03
  5. Step 5: Solve for x
    x = 29,526,818.03/6,977.45
  6. Step 6: Final answer
    x = 4,231.75

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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.