Home / 4,808.71-6,636-2,712.82

Finding the Fourth Proportional to 4,808.71, 6,636 and 2,712.82

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Solution

The fourth proportional to 4,808.71, 6,636 and 2,712.82 is: 3,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.71 : 6,636 = 2,712.82 : x
  2. Step 2: Convert to fraction form
    4,808.71/6,636 = 2,712.82/x
  3. Step 3: Cross multiply
    4,808.71x = 6,636 × 2,712.82
  4. Step 4: Simplify right side
    4,808.71x = 18,002,273.52
  5. Step 5: Solve for x
    x = 18,002,273.52/4,808.71
  6. Step 6: Final answer
    x = 3,743.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.