Home / 5,381.56-8,068.62-2,743.95

Finding the Fourth Proportional to 5,381.56, 8,068.62 and 2,743.95

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Solution

The fourth proportional to 5,381.56, 8,068.62 and 2,743.95 is: 4,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.56 : 8,068.62 = 2,743.95 : x
  2. Step 2: Convert to fraction form
    5,381.56/8,068.62 = 2,743.95/x
  3. Step 3: Cross multiply
    5,381.56x = 8,068.62 × 2,743.95
  4. Step 4: Simplify right side
    5,381.56x = 22,139,889.85
  5. Step 5: Solve for x
    x = 22,139,889.85/5,381.56
  6. Step 6: Final answer
    x = 4,114.03

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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.