Home / 4,125.90-6,179.74-3,664.20

Finding the Fourth Proportional to 4,125.90, 6,179.74 and 3,664.20

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Solution

The fourth proportional to 4,125.90, 6,179.74 and 3,664.20 is: 5,488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.90 : 6,179.74 = 3,664.20 : x
  2. Step 2: Convert to fraction form
    4,125.90/6,179.74 = 3,664.20/x
  3. Step 3: Cross multiply
    4,125.90x = 6,179.74 × 3,664.20
  4. Step 4: Simplify right side
    4,125.90x = 22,643,794.15
  5. Step 5: Solve for x
    x = 22,643,794.15/4,125.90
  6. Step 6: Final answer
    x = 5,488.21

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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.