Home / 6,453.21-9,680.49-2,755.83

Finding the Fourth Proportional to 6,453.21, 9,680.49 and 2,755.83

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Solution

The fourth proportional to 6,453.21, 9,680.49 and 2,755.83 is: 4,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.21 : 9,680.49 = 2,755.83 : x
  2. Step 2: Convert to fraction form
    6,453.21/9,680.49 = 2,755.83/x
  3. Step 3: Cross multiply
    6,453.21x = 9,680.49 × 2,755.83
  4. Step 4: Simplify right side
    6,453.21x = 26,677,784.76
  5. Step 5: Solve for x
    x = 26,677,784.76/6,453.21
  6. Step 6: Final answer
    x = 4,134.03

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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.