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Finding the Fourth Proportional to 6,883.78, 10,323.05 and 2,932.55

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Solution

The fourth proportional to 6,883.78, 10,323.05 and 2,932.55 is: 4,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883.78 : 10,323.05 = 2,932.55 : x
  2. Step 2: Convert to fraction form
    6,883.78/10,323.05 = 2,932.55/x
  3. Step 3: Cross multiply
    6,883.78x = 10,323.05 × 2,932.55
  4. Step 4: Simplify right side
    6,883.78x = 30,272,860.28
  5. Step 5: Solve for x
    x = 30,272,860.28/6,883.78
  6. Step 6: Final answer
    x = 4,397.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.