Home / 4,542.23-6,812.84-1,255.79

Finding the Fourth Proportional to 4,542.23, 6,812.84 and 1,255.79

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Solution

The fourth proportional to 4,542.23, 6,812.84 and 1,255.79 is: 1,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.23 : 6,812.84 = 1,255.79 : x
  2. Step 2: Convert to fraction form
    4,542.23/6,812.84 = 1,255.79/x
  3. Step 3: Cross multiply
    4,542.23x = 6,812.84 × 1,255.79
  4. Step 4: Simplify right side
    4,542.23x = 8,555,507.10
  5. Step 5: Solve for x
    x = 8,555,507.10/4,542.23
  6. Step 6: Final answer
    x = 1,883.55

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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.