Home / 5,310.02-7,327.98-3,072.60

Finding the Fourth Proportional to 5,310.02, 7,327.98 and 3,072.60

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Solution

The fourth proportional to 5,310.02, 7,327.98 and 3,072.60 is: 4,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.02 : 7,327.98 = 3,072.60 : x
  2. Step 2: Convert to fraction form
    5,310.02/7,327.98 = 3,072.60/x
  3. Step 3: Cross multiply
    5,310.02x = 7,327.98 × 3,072.60
  4. Step 4: Simplify right side
    5,310.02x = 22,515,951.35
  5. Step 5: Solve for x
    x = 22,515,951.35/5,310.02
  6. Step 6: Final answer
    x = 4,240.27

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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.