Home / 3,935.26-5,406.35-3,521.09

Finding the Fourth Proportional to 3,935.26, 5,406.35 and 3,521.09

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Solution

The fourth proportional to 3,935.26, 5,406.35 and 3,521.09 is: 4,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.26 : 5,406.35 = 3,521.09 : x
  2. Step 2: Convert to fraction form
    3,935.26/5,406.35 = 3,521.09/x
  3. Step 3: Cross multiply
    3,935.26x = 5,406.35 × 3,521.09
  4. Step 4: Simplify right side
    3,935.26x = 19,036,244.92
  5. Step 5: Solve for x
    x = 19,036,244.92/3,935.26
  6. Step 6: Final answer
    x = 4,837.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.