Home / 6,780.56-10,165.62-3,268.76

Finding the Fourth Proportional to 6,780.56, 10,165.62 and 3,268.76

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Solution

The fourth proportional to 6,780.56, 10,165.62 and 3,268.76 is: 4,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.56 : 10,165.62 = 3,268.76 : x
  2. Step 2: Convert to fraction form
    6,780.56/10,165.62 = 3,268.76/x
  3. Step 3: Cross multiply
    6,780.56x = 10,165.62 × 3,268.76
  4. Step 4: Simplify right side
    6,780.56x = 33,228,972.03
  5. Step 5: Solve for x
    x = 33,228,972.03/6,780.56
  6. Step 6: Final answer
    x = 4,900.62

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1.5x scale

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.