Home / 4,099.08-6,135.90-2,639.56

Finding the Fourth Proportional to 4,099.08, 6,135.90 and 2,639.56

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Solution

The fourth proportional to 4,099.08, 6,135.90 and 2,639.56 is: 3,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.08 : 6,135.90 = 2,639.56 : x
  2. Step 2: Convert to fraction form
    4,099.08/6,135.90 = 2,639.56/x
  3. Step 3: Cross multiply
    4,099.08x = 6,135.90 × 2,639.56
  4. Step 4: Simplify right side
    4,099.08x = 16,196,076.20
  5. Step 5: Solve for x
    x = 16,196,076.20/4,099.08
  6. Step 6: Final answer
    x = 3,951.15

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1.5x scale

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.