Home / 5,725.05-7,901.07-3,207.12

Finding the Fourth Proportional to 5,725.05, 7,901.07 and 3,207.12

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Solution

The fourth proportional to 5,725.05, 7,901.07 and 3,207.12 is: 4,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.05 : 7,901.07 = 3,207.12 : x
  2. Step 2: Convert to fraction form
    5,725.05/7,901.07 = 3,207.12/x
  3. Step 3: Cross multiply
    5,725.05x = 7,901.07 × 3,207.12
  4. Step 4: Simplify right side
    5,725.05x = 25,339,679.62
  5. Step 5: Solve for x
    x = 25,339,679.62/5,725.05
  6. Step 6: Final answer
    x = 4,426.11

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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.