Home / 5,725.80-7,901.62-3,241.80

Finding the Fourth Proportional to 5,725.80, 7,901.62 and 3,241.80

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Solution

The fourth proportional to 5,725.80, 7,901.62 and 3,241.80 is: 4,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.80 : 7,901.62 = 3,241.80 : x
  2. Step 2: Convert to fraction form
    5,725.80/7,901.62 = 3,241.80/x
  3. Step 3: Cross multiply
    5,725.80x = 7,901.62 × 3,241.80
  4. Step 4: Simplify right side
    5,725.80x = 25,615,471.72
  5. Step 5: Solve for x
    x = 25,615,471.72/5,725.80
  6. Step 6: Final answer
    x = 4,473.69

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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.