Home / 5,427.18-8,135.88-1,962

Finding the Fourth Proportional to 5,427.18, 8,135.88 and 1,962

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Solution

The fourth proportional to 5,427.18, 8,135.88 and 1,962 is: 2,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.18 : 8,135.88 = 1,962 : x
  2. Step 2: Convert to fraction form
    5,427.18/8,135.88 = 1,962/x
  3. Step 3: Cross multiply
    5,427.18x = 8,135.88 × 1,962
  4. Step 4: Simplify right side
    5,427.18x = 15,962,596.56
  5. Step 5: Solve for x
    x = 15,962,596.56/5,427.18
  6. Step 6: Final answer
    x = 2,941.23

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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.