Home / 3,825.56-5,282.39-3,117.51

Finding the Fourth Proportional to 3,825.56, 5,282.39 and 3,117.51

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Solution

The fourth proportional to 3,825.56, 5,282.39 and 3,117.51 is: 4,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.56 : 5,282.39 = 3,117.51 : x
  2. Step 2: Convert to fraction form
    3,825.56/5,282.39 = 3,117.51/x
  3. Step 3: Cross multiply
    3,825.56x = 5,282.39 × 3,117.51
  4. Step 4: Simplify right side
    3,825.56x = 16,467,903.65
  5. Step 5: Solve for x
    x = 16,467,903.65/3,825.56
  6. Step 6: Final answer
    x = 4,304.70

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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.