Home / 5,401.26-8,103.03-2,281.28

Finding the Fourth Proportional to 5,401.26, 8,103.03 and 2,281.28

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Solution

The fourth proportional to 5,401.26, 8,103.03 and 2,281.28 is: 3,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.26 : 8,103.03 = 2,281.28 : x
  2. Step 2: Convert to fraction form
    5,401.26/8,103.03 = 2,281.28/x
  3. Step 3: Cross multiply
    5,401.26x = 8,103.03 × 2,281.28
  4. Step 4: Simplify right side
    5,401.26x = 18,485,261.59
  5. Step 5: Solve for x
    x = 18,485,261.59/5,401.26
  6. Step 6: Final answer
    x = 3,422.40

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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.