Home / 4,099.25-6,149.48-1,325

Finding the Fourth Proportional to 4,099.25, 6,149.48 and 1,325

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Solution

The fourth proportional to 4,099.25, 6,149.48 and 1,325 is: 1,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.25 : 6,149.48 = 1,325 : x
  2. Step 2: Convert to fraction form
    4,099.25/6,149.48 = 1,325/x
  3. Step 3: Cross multiply
    4,099.25x = 6,149.48 × 1,325
  4. Step 4: Simplify right side
    4,099.25x = 8,148,061.00
  5. Step 5: Solve for x
    x = 8,148,061.00/4,099.25
  6. Step 6: Final answer
    x = 1,987.70

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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.