Home / 4,727.73-7,091.61-1,440.81

Finding the Fourth Proportional to 4,727.73, 7,091.61 and 1,440.81

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Solution

The fourth proportional to 4,727.73, 7,091.61 and 1,440.81 is: 2,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.73 : 7,091.61 = 1,440.81 : x
  2. Step 2: Convert to fraction form
    4,727.73/7,091.61 = 1,440.81/x
  3. Step 3: Cross multiply
    4,727.73x = 7,091.61 × 1,440.81
  4. Step 4: Simplify right side
    4,727.73x = 10,217,662.60
  5. Step 5: Solve for x
    x = 10,217,662.60/4,727.73
  6. Step 6: Final answer
    x = 2,161.22

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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.