Home / 9,382.55-14,073.92-2,808.78

Finding the Fourth Proportional to 9,382.55, 14,073.92 and 2,808.78

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Solution

The fourth proportional to 9,382.55, 14,073.92 and 2,808.78 is: 4,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,382.55 : 14,073.92 = 2,808.78 : x
  2. Step 2: Convert to fraction form
    9,382.55/14,073.92 = 2,808.78/x
  3. Step 3: Cross multiply
    9,382.55x = 14,073.92 × 2,808.78
  4. Step 4: Simplify right side
    9,382.55x = 39,530,530.97
  5. Step 5: Solve for x
    x = 39,530,530.97/9,382.55
  6. Step 6: Final answer
    x = 4,213.20

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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.