Home / 5,418.24-8,127.48-1,522.56

Finding the Fourth Proportional to 5,418.24, 8,127.48 and 1,522.56

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Solution

The fourth proportional to 5,418.24, 8,127.48 and 1,522.56 is: 2,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.24 : 8,127.48 = 1,522.56 : x
  2. Step 2: Convert to fraction form
    5,418.24/8,127.48 = 1,522.56/x
  3. Step 3: Cross multiply
    5,418.24x = 8,127.48 × 1,522.56
  4. Step 4: Simplify right side
    5,418.24x = 12,374,575.95
  5. Step 5: Solve for x
    x = 12,374,575.95/5,418.24
  6. Step 6: Final answer
    x = 2,283.87

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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.