Home / 4,808.69-6,636.09-2,712.81

Finding the Fourth Proportional to 4,808.69, 6,636.09 and 2,712.81

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Solution

The fourth proportional to 4,808.69, 6,636.09 and 2,712.81 is: 3,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.69 : 6,636.09 = 2,712.81 : x
  2. Step 2: Convert to fraction form
    4,808.69/6,636.09 = 2,712.81/x
  3. Step 3: Cross multiply
    4,808.69x = 6,636.09 × 2,712.81
  4. Step 4: Simplify right side
    4,808.69x = 18,002,451.31
  5. Step 5: Solve for x
    x = 18,002,451.31/4,808.69
  6. Step 6: Final answer
    x = 3,743.73

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1.5x scale

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.