Home / 8,077.60-12,112.75-2,529.64

Finding the Fourth Proportional to 8,077.60, 12,112.75 and 2,529.64

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Solution

The fourth proportional to 8,077.60, 12,112.75 and 2,529.64 is: 3,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.60 : 12,112.75 = 2,529.64 : x
  2. Step 2: Convert to fraction form
    8,077.60/12,112.75 = 2,529.64/x
  3. Step 3: Cross multiply
    8,077.60x = 12,112.75 × 2,529.64
  4. Step 4: Simplify right side
    8,077.60x = 30,640,896.91
  5. Step 5: Solve for x
    x = 30,640,896.91/8,077.60
  6. Step 6: Final answer
    x = 3,793.32

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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.