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Finding the Fourth Proportional to 5,708.73, 7,877.52 and 3,350.42

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Solution

The fourth proportional to 5,708.73, 7,877.52 and 3,350.42 is: 4,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.73 : 7,877.52 = 3,350.42 : x
  2. Step 2: Convert to fraction form
    5,708.73/7,877.52 = 3,350.42/x
  3. Step 3: Cross multiply
    5,708.73x = 7,877.52 × 3,350.42
  4. Step 4: Simplify right side
    5,708.73x = 26,393,000.56
  5. Step 5: Solve for x
    x = 26,393,000.56/5,708.73
  6. Step 6: Final answer
    x = 4,623.27

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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.