Home / 7,895.68-11,846.28-3,512.72

Finding the Fourth Proportional to 7,895.68, 11,846.28 and 3,512.72

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Solution

The fourth proportional to 7,895.68, 11,846.28 and 3,512.72 is: 5,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.68 : 11,846.28 = 3,512.72 : x
  2. Step 2: Convert to fraction form
    7,895.68/11,846.28 = 3,512.72/x
  3. Step 3: Cross multiply
    7,895.68x = 11,846.28 × 3,512.72
  4. Step 4: Simplify right side
    7,895.68x = 41,612,664.68
  5. Step 5: Solve for x
    x = 41,612,664.68/7,895.68
  6. Step 6: Final answer
    x = 5,270.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.