Home / 4,257.58-6,387.18-1,335.64

Finding the Fourth Proportional to 4,257.58, 6,387.18 and 1,335.64

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Solution

The fourth proportional to 4,257.58, 6,387.18 and 1,335.64 is: 2,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.58 : 6,387.18 = 1,335.64 : x
  2. Step 2: Convert to fraction form
    4,257.58/6,387.18 = 1,335.64/x
  3. Step 3: Cross multiply
    4,257.58x = 6,387.18 × 1,335.64
  4. Step 4: Simplify right side
    4,257.58x = 8,530,973.10
  5. Step 5: Solve for x
    x = 8,530,973.10/4,257.58
  6. Step 6: Final answer
    x = 2,003.71

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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.