Home / 4,911.01-6,778.26-3,418.38

Finding the Fourth Proportional to 4,911.01, 6,778.26 and 3,418.38

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Solution

The fourth proportional to 4,911.01, 6,778.26 and 3,418.38 is: 4,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.01 : 6,778.26 = 3,418.38 : x
  2. Step 2: Convert to fraction form
    4,911.01/6,778.26 = 3,418.38/x
  3. Step 3: Cross multiply
    4,911.01x = 6,778.26 × 3,418.38
  4. Step 4: Simplify right side
    4,911.01x = 23,170,668.42
  5. Step 5: Solve for x
    x = 23,170,668.42/4,911.01
  6. Step 6: Final answer
    x = 4,718.11

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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.