Home / 4,099.70-6,150.91-1,326.76

Finding the Fourth Proportional to 4,099.70, 6,150.91 and 1,326.76

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Solution

The fourth proportional to 4,099.70, 6,150.91 and 1,326.76 is: 1,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.70 : 6,150.91 = 1,326.76 : x
  2. Step 2: Convert to fraction form
    4,099.70/6,150.91 = 1,326.76/x
  3. Step 3: Cross multiply
    4,099.70x = 6,150.91 × 1,326.76
  4. Step 4: Simplify right side
    4,099.70x = 8,160,781.35
  5. Step 5: Solve for x
    x = 8,160,781.35/4,099.70
  6. Step 6: Final answer
    x = 1,990.58

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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.