Home / 4,083.68-6,125.85-1,310.40

Finding the Fourth Proportional to 4,083.68, 6,125.85 and 1,310.40

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Solution

The fourth proportional to 4,083.68, 6,125.85 and 1,310.40 is: 1,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.68 : 6,125.85 = 1,310.40 : x
  2. Step 2: Convert to fraction form
    4,083.68/6,125.85 = 1,310.40/x
  3. Step 3: Cross multiply
    4,083.68x = 6,125.85 × 1,310.40
  4. Step 4: Simplify right side
    4,083.68x = 8,027,313.84
  5. Step 5: Solve for x
    x = 8,027,313.84/4,083.68
  6. Step 6: Final answer
    x = 1,965.71

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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.