Home / 5,725.72-7,901.42-3,207.79

Finding the Fourth Proportional to 5,725.72, 7,901.42 and 3,207.79

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Solution

The fourth proportional to 5,725.72, 7,901.42 and 3,207.79 is: 4,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.72 : 7,901.42 = 3,207.79 : x
  2. Step 2: Convert to fraction form
    5,725.72/7,901.42 = 3,207.79/x
  3. Step 3: Cross multiply
    5,725.72x = 7,901.42 × 3,207.79
  4. Step 4: Simplify right side
    5,725.72x = 25,346,056.55
  5. Step 5: Solve for x
    x = 25,346,056.55/5,725.72
  6. Step 6: Final answer
    x = 4,426.70

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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.