Home / 7,700.82-11,550.96-2,769.36

Finding the Fourth Proportional to 7,700.82, 11,550.96 and 2,769.36

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Solution

The fourth proportional to 7,700.82, 11,550.96 and 2,769.36 is: 4,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.82 : 11,550.96 = 2,769.36 : x
  2. Step 2: Convert to fraction form
    7,700.82/11,550.96 = 2,769.36/x
  3. Step 3: Cross multiply
    7,700.82x = 11,550.96 × 2,769.36
  4. Step 4: Simplify right side
    7,700.82x = 31,988,766.59
  5. Step 5: Solve for x
    x = 31,988,766.59/7,700.82
  6. Step 6: Final answer
    x = 4,153.94

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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.