Home / 5,419.26-8,127.97-1,522.75

Finding the Fourth Proportional to 5,419.26, 8,127.97 and 1,522.75

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Solution

The fourth proportional to 5,419.26, 8,127.97 and 1,522.75 is: 2,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.26 : 8,127.97 = 1,522.75 : x
  2. Step 2: Convert to fraction form
    5,419.26/8,127.97 = 1,522.75/x
  3. Step 3: Cross multiply
    5,419.26x = 8,127.97 × 1,522.75
  4. Step 4: Simplify right side
    5,419.26x = 12,376,866.32
  5. Step 5: Solve for x
    x = 12,376,866.32/5,419.26
  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.