Home / 5,034.78-6,948.21-2,796.86

Finding the Fourth Proportional to 5,034.78, 6,948.21 and 2,796.86

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Solution

The fourth proportional to 5,034.78, 6,948.21 and 2,796.86 is: 3,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,034.78 : 6,948.21 = 2,796.86 : x
  2. Step 2: Convert to fraction form
    5,034.78/6,948.21 = 2,796.86/x
  3. Step 3: Cross multiply
    5,034.78x = 6,948.21 × 2,796.86
  4. Step 4: Simplify right side
    5,034.78x = 19,433,135.88
  5. Step 5: Solve for x
    x = 19,433,135.88/5,034.78
  6. Step 6: Final answer
    x = 3,859.78

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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.