Home / 5,352.10-8,028.15-3,412.90

Finding the Fourth Proportional to 5,352.10, 8,028.15 and 3,412.90

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Solution

The fourth proportional to 5,352.10, 8,028.15 and 3,412.90 is: 5,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.10 : 8,028.15 = 3,412.90 : x
  2. Step 2: Convert to fraction form
    5,352.10/8,028.15 = 3,412.90/x
  3. Step 3: Cross multiply
    5,352.10x = 8,028.15 × 3,412.90
  4. Step 4: Simplify right side
    5,352.10x = 27,399,273.14
  5. Step 5: Solve for x
    x = 27,399,273.14/5,352.10
  6. Step 6: Final answer
    x = 5,119.35

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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.