Home / 4,112.80-6,165.60-3,675.40

Finding the Fourth Proportional to 4,112.80, 6,165.60 and 3,675.40

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Solution

The fourth proportional to 4,112.80, 6,165.60 and 3,675.40 is: 5,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.80 : 6,165.60 = 3,675.40 : x
  2. Step 2: Convert to fraction form
    4,112.80/6,165.60 = 3,675.40/x
  3. Step 3: Cross multiply
    4,112.80x = 6,165.60 × 3,675.40
  4. Step 4: Simplify right side
    4,112.80x = 22,661,046.24
  5. Step 5: Solve for x
    x = 22,661,046.24/4,112.80
  6. Step 6: Final answer
    x = 5,509.88

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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.