Home / 4,757.86-7,137.78-1,637.74

Finding the Fourth Proportional to 4,757.86, 7,137.78 and 1,637.74

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Solution

The fourth proportional to 4,757.86, 7,137.78 and 1,637.74 is: 2,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.86 : 7,137.78 = 1,637.74 : x
  2. Step 2: Convert to fraction form
    4,757.86/7,137.78 = 1,637.74/x
  3. Step 3: Cross multiply
    4,757.86x = 7,137.78 × 1,637.74
  4. Step 4: Simplify right side
    4,757.86x = 11,689,827.82
  5. Step 5: Solve for x
    x = 11,689,827.82/4,757.86
  6. Step 6: Final answer
    x = 2,456.95

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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.