Home / 5,419.12-8,110.32-3,443.80

Finding the Fourth Proportional to 5,419.12, 8,110.32 and 3,443.80

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Solution

The fourth proportional to 5,419.12, 8,110.32 and 3,443.80 is: 5,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.12 : 8,110.32 = 3,443.80 : x
  2. Step 2: Convert to fraction form
    5,419.12/8,110.32 = 3,443.80/x
  3. Step 3: Cross multiply
    5,419.12x = 8,110.32 × 3,443.80
  4. Step 4: Simplify right side
    5,419.12x = 27,930,320.02
  5. Step 5: Solve for x
    x = 27,930,320.02/5,419.12
  6. Step 6: Final answer
    x = 5,154.03

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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.