Home / 4,786.56-7,176.88-1,861.44

Finding the Fourth Proportional to 4,786.56, 7,176.88 and 1,861.44

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Solution

The fourth proportional to 4,786.56, 7,176.88 and 1,861.44 is: 2,791.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.56 : 7,176.88 = 1,861.44 : x
  2. Step 2: Convert to fraction form
    4,786.56/7,176.88 = 1,861.44/x
  3. Step 3: Cross multiply
    4,786.56x = 7,176.88 × 1,861.44
  4. Step 4: Simplify right side
    4,786.56x = 13,359,331.51
  5. Step 5: Solve for x
    x = 13,359,331.51/4,786.56
  6. Step 6: Final answer
    x = 2,791.01

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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.