Home / 4,109.31-6,163.65-1,512

Finding the Fourth Proportional to 4,109.31, 6,163.65 and 1,512

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Solution

The fourth proportional to 4,109.31, 6,163.65 and 1,512 is: 2,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.31 : 6,163.65 = 1,512 : x
  2. Step 2: Convert to fraction form
    4,109.31/6,163.65 = 1,512/x
  3. Step 3: Cross multiply
    4,109.31x = 6,163.65 × 1,512
  4. Step 4: Simplify right side
    4,109.31x = 9,319,438.80
  5. Step 5: Solve for x
    x = 9,319,438.80/4,109.31
  6. Step 6: Final answer
    x = 2,267.88

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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.