Home / 7,425.21-11,131.83-3,725.49

Finding the Fourth Proportional to 7,425.21, 11,131.83 and 3,725.49

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Solution

The fourth proportional to 7,425.21, 11,131.83 and 3,725.49 is: 5,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.21 : 11,131.83 = 3,725.49 : x
  2. Step 2: Convert to fraction form
    7,425.21/11,131.83 = 3,725.49/x
  3. Step 3: Cross multiply
    7,425.21x = 11,131.83 × 3,725.49
  4. Step 4: Simplify right side
    7,425.21x = 41,471,521.35
  5. Step 5: Solve for x
    x = 41,471,521.35/7,425.21
  6. Step 6: Final answer
    x = 5,585.23

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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.