Home / 9,215.08-13,825.92-3,947.88

Finding the Fourth Proportional to 9,215.08, 13,825.92 and 3,947.88

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Solution

The fourth proportional to 9,215.08, 13,825.92 and 3,947.88 is: 5,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.08 : 13,825.92 = 3,947.88 : x
  2. Step 2: Convert to fraction form
    9,215.08/13,825.92 = 3,947.88/x
  3. Step 3: Cross multiply
    9,215.08x = 13,825.92 × 3,947.88
  4. Step 4: Simplify right side
    9,215.08x = 54,583,073.05
  5. Step 5: Solve for x
    x = 54,583,073.05/9,215.08
  6. Step 6: Final answer
    x = 5,923.23

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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.