Home / 7,785.82-11,677.01-3,104.96

Finding the Fourth Proportional to 7,785.82, 11,677.01 and 3,104.96

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Solution

The fourth proportional to 7,785.82, 11,677.01 and 3,104.96 is: 4,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.82 : 11,677.01 = 3,104.96 : x
  2. Step 2: Convert to fraction form
    7,785.82/11,677.01 = 3,104.96/x
  3. Step 3: Cross multiply
    7,785.82x = 11,677.01 × 3,104.96
  4. Step 4: Simplify right side
    7,785.82x = 36,256,662.64
  5. Step 5: Solve for x
    x = 36,256,662.64/7,785.82
  6. Step 6: Final answer
    x = 4,656.76

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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.