Home / 4,911.92-6,778.43-2,673.75

Finding the Fourth Proportional to 4,911.92, 6,778.43 and 2,673.75

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Solution

The fourth proportional to 4,911.92, 6,778.43 and 2,673.75 is: 3,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.92 : 6,778.43 = 2,673.75 : x
  2. Step 2: Convert to fraction form
    4,911.92/6,778.43 = 2,673.75/x
  3. Step 3: Cross multiply
    4,911.92x = 6,778.43 × 2,673.75
  4. Step 4: Simplify right side
    4,911.92x = 18,123,827.21
  5. Step 5: Solve for x
    x = 18,123,827.21/4,911.92
  6. Step 6: Final answer
    x = 3,689.76

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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.