Home / 4,100.15-6,151.62-1,326.94

Finding the Fourth Proportional to 4,100.15, 6,151.62 and 1,326.94

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Solution

The fourth proportional to 4,100.15, 6,151.62 and 1,326.94 is: 1,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.15 : 6,151.62 = 1,326.94 : x
  2. Step 2: Convert to fraction form
    4,100.15/6,151.62 = 1,326.94/x
  3. Step 3: Cross multiply
    4,100.15x = 6,151.62 × 1,326.94
  4. Step 4: Simplify right side
    4,100.15x = 8,162,799.88
  5. Step 5: Solve for x
    x = 8,162,799.88/4,100.15
  6. Step 6: Final answer
    x = 1,990.85

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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.