Home / 4,124.25-6,186.38-1,815.75

Finding the Fourth Proportional to 4,124.25, 6,186.38 and 1,815.75

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Solution

The fourth proportional to 4,124.25, 6,186.38 and 1,815.75 is: 2,723.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.25 : 6,186.38 = 1,815.75 : x
  2. Step 2: Convert to fraction form
    4,124.25/6,186.38 = 1,815.75/x
  3. Step 3: Cross multiply
    4,124.25x = 6,186.38 × 1,815.75
  4. Step 4: Simplify right side
    4,124.25x = 11,232,910.41
  5. Step 5: Solve for x
    x = 11,232,910.41/4,124.25
  6. Step 6: Final answer
    x = 2,723.63

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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.