Home / 8,768.32-12,100.44-4,789.60

Finding the Fourth Proportional to 8,768.32, 12,100.44 and 4,789.60

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Solution

The fourth proportional to 8,768.32, 12,100.44 and 4,789.60 is: 6,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.32 : 12,100.44 = 4,789.60 : x
  2. Step 2: Convert to fraction form
    8,768.32/12,100.44 = 4,789.60/x
  3. Step 3: Cross multiply
    8,768.32x = 12,100.44 × 4,789.60
  4. Step 4: Simplify right side
    8,768.32x = 57,956,267.42
  5. Step 5: Solve for x
    x = 57,956,267.42/8,768.32
  6. Step 6: Final answer
    x = 6,609.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.