Home / 9,275.29-13,912.73-2,255.34

Finding the Fourth Proportional to 9,275.29, 13,912.73 and 2,255.34

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Solution

The fourth proportional to 9,275.29, 13,912.73 and 2,255.34 is: 3,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.29 : 13,912.73 = 2,255.34 : x
  2. Step 2: Convert to fraction form
    9,275.29/13,912.73 = 2,255.34/x
  3. Step 3: Cross multiply
    9,275.29x = 13,912.73 × 2,255.34
  4. Step 4: Simplify right side
    9,275.29x = 31,377,889.94
  5. Step 5: Solve for x
    x = 31,377,889.94/9,275.29
  6. Step 6: Final answer
    x = 3,382.96

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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.