Home / 4,507.58-6,761.05-1,387.82

Finding the Fourth Proportional to 4,507.58, 6,761.05 and 1,387.82

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Solution

The fourth proportional to 4,507.58, 6,761.05 and 1,387.82 is: 2,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.58 : 6,761.05 = 1,387.82 : x
  2. Step 2: Convert to fraction form
    4,507.58/6,761.05 = 1,387.82/x
  3. Step 3: Cross multiply
    4,507.58x = 6,761.05 × 1,387.82
  4. Step 4: Simplify right side
    4,507.58x = 9,383,120.41
  5. Step 5: Solve for x
    x = 9,383,120.41/4,507.58
  6. Step 6: Final answer
    x = 2,081.63

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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.