Home / 6,251.43-9,378.60-1,808.92

Finding the Fourth Proportional to 6,251.43, 9,378.60 and 1,808.92

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Solution

The fourth proportional to 6,251.43, 9,378.60 and 1,808.92 is: 2,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.43 : 9,378.60 = 1,808.92 : x
  2. Step 2: Convert to fraction form
    6,251.43/9,378.60 = 1,808.92/x
  3. Step 3: Cross multiply
    6,251.43x = 9,378.60 × 1,808.92
  4. Step 4: Simplify right side
    6,251.43x = 16,965,137.11
  5. Step 5: Solve for x
    x = 16,965,137.11/6,251.43
  6. Step 6: Final answer
    x = 2,713.80

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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.