Home / 5,418.20-8,127.81-1,522.59

Finding the Fourth Proportional to 5,418.20, 8,127.81 and 1,522.59

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Solution

The fourth proportional to 5,418.20, 8,127.81 and 1,522.59 is: 2,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.20 : 8,127.81 = 1,522.59 : x
  2. Step 2: Convert to fraction form
    5,418.20/8,127.81 = 1,522.59/x
  3. Step 3: Cross multiply
    5,418.20x = 8,127.81 × 1,522.59
  4. Step 4: Simplify right side
    5,418.20x = 12,375,322.23
  5. Step 5: Solve for x
    x = 12,375,322.23/5,418.20
  6. Step 6: Final answer
    x = 2,284.03

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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.