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Finding the Fourth Proportional to 5,375.30, 8,060.31 and 1,677.92

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Solution

The fourth proportional to 5,375.30, 8,060.31 and 1,677.92 is: 2,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.30 : 8,060.31 = 1,677.92 : x
  2. Step 2: Convert to fraction form
    5,375.30/8,060.31 = 1,677.92/x
  3. Step 3: Cross multiply
    5,375.30x = 8,060.31 × 1,677.92
  4. Step 4: Simplify right side
    5,375.30x = 13,524,515.05
  5. Step 5: Solve for x
    x = 13,524,515.05/5,375.30
  6. Step 6: Final answer
    x = 2,516.05

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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.