Home / 8,076.58-12,114.96-2,529.70

Finding the Fourth Proportional to 8,076.58, 12,114.96 and 2,529.70

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Solution

The fourth proportional to 8,076.58, 12,114.96 and 2,529.70 is: 3,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.58 : 12,114.96 = 2,529.70 : x
  2. Step 2: Convert to fraction form
    8,076.58/12,114.96 = 2,529.70/x
  3. Step 3: Cross multiply
    8,076.58x = 12,114.96 × 2,529.70
  4. Step 4: Simplify right side
    8,076.58x = 30,647,214.31
  5. Step 5: Solve for x
    x = 30,647,214.31/8,076.58
  6. Step 6: Final answer
    x = 3,794.58

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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.