Home / 5,398-8,085.24-2,927.60

Finding the Fourth Proportional to 5,398, 8,085.24 and 2,927.60

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Solution

The fourth proportional to 5,398, 8,085.24 and 2,927.60 is: 4,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398 : 8,085.24 = 2,927.60 : x
  2. Step 2: Convert to fraction form
    5,398/8,085.24 = 2,927.60/x
  3. Step 3: Cross multiply
    5,398x = 8,085.24 × 2,927.60
  4. Step 4: Simplify right side
    5,398x = 23,670,348.62
  5. Step 5: Solve for x
    x = 23,670,348.62/5,398
  6. Step 6: Final answer
    x = 4,385.02

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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.