Home / 4,727.36-7,091.43-1,440.48

Finding the Fourth Proportional to 4,727.36, 7,091.43 and 1,440.48

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Solution

The fourth proportional to 4,727.36, 7,091.43 and 1,440.48 is: 2,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.36 : 7,091.43 = 1,440.48 : x
  2. Step 2: Convert to fraction form
    4,727.36/7,091.43 = 1,440.48/x
  3. Step 3: Cross multiply
    4,727.36x = 7,091.43 × 1,440.48
  4. Step 4: Simplify right side
    4,727.36x = 10,215,063.09
  5. Step 5: Solve for x
    x = 10,215,063.09/4,727.36
  6. Step 6: Final answer
    x = 2,160.84

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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.