Home / 4,257.43-6,386.45-1,335.69

Finding the Fourth Proportional to 4,257.43, 6,386.45 and 1,335.69

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Solution

The fourth proportional to 4,257.43, 6,386.45 and 1,335.69 is: 2,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.43 : 6,386.45 = 1,335.69 : x
  2. Step 2: Convert to fraction form
    4,257.43/6,386.45 = 1,335.69/x
  3. Step 3: Cross multiply
    4,257.43x = 6,386.45 × 1,335.69
  4. Step 4: Simplify right side
    4,257.43x = 8,530,310.72
  5. Step 5: Solve for x
    x = 8,530,310.72/4,257.43
  6. Step 6: Final answer
    x = 2,003.63

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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.