Home / 4,911.72-6,778.14-2,673.54

Finding the Fourth Proportional to 4,911.72, 6,778.14 and 2,673.54

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Solution

The fourth proportional to 4,911.72, 6,778.14 and 2,673.54 is: 3,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.72 : 6,778.14 = 2,673.54 : x
  2. Step 2: Convert to fraction form
    4,911.72/6,778.14 = 2,673.54/x
  3. Step 3: Cross multiply
    4,911.72x = 6,778.14 × 2,673.54
  4. Step 4: Simplify right side
    4,911.72x = 18,121,628.42
  5. Step 5: Solve for x
    x = 18,121,628.42/4,911.72
  6. Step 6: Final answer
    x = 3,689.47

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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.