Home / 5,269.78-7,273.02-3,173.50

Finding the Fourth Proportional to 5,269.78, 7,273.02 and 3,173.50

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Solution

The fourth proportional to 5,269.78, 7,273.02 and 3,173.50 is: 4,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.78 : 7,273.02 = 3,173.50 : x
  2. Step 2: Convert to fraction form
    5,269.78/7,273.02 = 3,173.50/x
  3. Step 3: Cross multiply
    5,269.78x = 7,273.02 × 3,173.50
  4. Step 4: Simplify right side
    5,269.78x = 23,080,928.97
  5. Step 5: Solve for x
    x = 23,080,928.97/5,269.78
  6. Step 6: Final answer
    x = 4,379.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.