Home / 7,664.37-11,504.66-3,771.51

Finding the Fourth Proportional to 7,664.37, 11,504.66 and 3,771.51

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Solution

The fourth proportional to 7,664.37, 11,504.66 and 3,771.51 is: 5,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.37 : 11,504.66 = 3,771.51 : x
  2. Step 2: Convert to fraction form
    7,664.37/11,504.66 = 3,771.51/x
  3. Step 3: Cross multiply
    7,664.37x = 11,504.66 × 3,771.51
  4. Step 4: Simplify right side
    7,664.37x = 43,389,921.38
  5. Step 5: Solve for x
    x = 43,389,921.38/7,664.37
  6. Step 6: Final answer
    x = 5,661.25

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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.