Home / 4,769.90-7,151.66-1,844.80

Finding the Fourth Proportional to 4,769.90, 7,151.66 and 1,844.80

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Solution

The fourth proportional to 4,769.90, 7,151.66 and 1,844.80 is: 2,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.90 : 7,151.66 = 1,844.80 : x
  2. Step 2: Convert to fraction form
    4,769.90/7,151.66 = 1,844.80/x
  3. Step 3: Cross multiply
    4,769.90x = 7,151.66 × 1,844.80
  4. Step 4: Simplify right side
    4,769.90x = 13,193,382.37
  5. Step 5: Solve for x
    x = 13,193,382.37/4,769.90
  6. Step 6: Final answer
    x = 2,765.97

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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.