Home / 5,179.22-7,139-3,500.10

Finding the Fourth Proportional to 5,179.22, 7,139 and 3,500.10

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Solution

The fourth proportional to 5,179.22, 7,139 and 3,500.10 is: 4,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.22 : 7,139 = 3,500.10 : x
  2. Step 2: Convert to fraction form
    5,179.22/7,139 = 3,500.10/x
  3. Step 3: Cross multiply
    5,179.22x = 7,139 × 3,500.10
  4. Step 4: Simplify right side
    5,179.22x = 24,987,213.90
  5. Step 5: Solve for x
    x = 24,987,213.90/5,179.22
  6. Step 6: Final answer
    x = 4,824.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.