Home / 4,083.05-6,124.15-1,311.71

Finding the Fourth Proportional to 4,083.05, 6,124.15 and 1,311.71

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Solution

The fourth proportional to 4,083.05, 6,124.15 and 1,311.71 is: 1,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.05 : 6,124.15 = 1,311.71 : x
  2. Step 2: Convert to fraction form
    4,083.05/6,124.15 = 1,311.71/x
  3. Step 3: Cross multiply
    4,083.05x = 6,124.15 × 1,311.71
  4. Step 4: Simplify right side
    4,083.05x = 8,033,074.90
  5. Step 5: Solve for x
    x = 8,033,074.90/4,083.05
  6. Step 6: Final answer
    x = 1,967.42

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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.