Home / 8,505.30-12,757.98-2,661.96

Finding the Fourth Proportional to 8,505.30, 12,757.98 and 2,661.96

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Solution

The fourth proportional to 8,505.30, 12,757.98 and 2,661.96 is: 3,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.30 : 12,757.98 = 2,661.96 : x
  2. Step 2: Convert to fraction form
    8,505.30/12,757.98 = 2,661.96/x
  3. Step 3: Cross multiply
    8,505.30x = 12,757.98 × 2,661.96
  4. Step 4: Simplify right side
    8,505.30x = 33,961,232.44
  5. Step 5: Solve for x
    x = 33,961,232.44/8,505.30
  6. Step 6: Final answer
    x = 3,992.95

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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.