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Finding the Fourth Proportional to 5,375.52, 8,059.50 and 2,085.84

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Solution

The fourth proportional to 5,375.52, 8,059.50 and 2,085.84 is: 3,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.52 : 8,059.50 = 2,085.84 : x
  2. Step 2: Convert to fraction form
    5,375.52/8,059.50 = 2,085.84/x
  3. Step 3: Cross multiply
    5,375.52x = 8,059.50 × 2,085.84
  4. Step 4: Simplify right side
    5,375.52x = 16,810,827.48
  5. Step 5: Solve for x
    x = 16,810,827.48/5,375.52
  6. Step 6: Final answer
    x = 3,127.29

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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.