Home / 4,727.21-7,091.24-1,805.54

Finding the Fourth Proportional to 4,727.21, 7,091.24 and 1,805.54

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Solution

The fourth proportional to 4,727.21, 7,091.24 and 1,805.54 is: 2,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.21 : 7,091.24 = 1,805.54 : x
  2. Step 2: Convert to fraction form
    4,727.21/7,091.24 = 1,805.54/x
  3. Step 3: Cross multiply
    4,727.21x = 7,091.24 × 1,805.54
  4. Step 4: Simplify right side
    4,727.21x = 12,803,472.99
  5. Step 5: Solve for x
    x = 12,803,472.99/4,727.21
  6. Step 6: Final answer
    x = 2,708.47

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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.