Home / 5,725.29-7,905.46-3,812.97

Finding the Fourth Proportional to 5,725.29, 7,905.46 and 3,812.97

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Solution

The fourth proportional to 5,725.29, 7,905.46 and 3,812.97 is: 5,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.29 : 7,905.46 = 3,812.97 : x
  2. Step 2: Convert to fraction form
    5,725.29/7,905.46 = 3,812.97/x
  3. Step 3: Cross multiply
    5,725.29x = 7,905.46 × 3,812.97
  4. Step 4: Simplify right side
    5,725.29x = 30,143,281.82
  5. Step 5: Solve for x
    x = 30,143,281.82/5,725.29
  6. Step 6: Final answer
    x = 5,264.94

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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.