Home / 5,453.72-7,540.08-4,198.92

Finding the Fourth Proportional to 5,453.72, 7,540.08 and 4,198.92

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Solution

The fourth proportional to 5,453.72, 7,540.08 and 4,198.92 is: 5,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.72 : 7,540.08 = 4,198.92 : x
  2. Step 2: Convert to fraction form
    5,453.72/7,540.08 = 4,198.92/x
  3. Step 3: Cross multiply
    5,453.72x = 7,540.08 × 4,198.92
  4. Step 4: Simplify right side
    5,453.72x = 31,660,192.71
  5. Step 5: Solve for x
    x = 31,660,192.71/5,453.72
  6. Step 6: Final answer
    x = 5,805.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.