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Finding the Fourth Proportional to 5,375.90, 8,063.46 and 1,677.77

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Solution

The fourth proportional to 5,375.90, 8,063.46 and 1,677.77 is: 2,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.90 : 8,063.46 = 1,677.77 : x
  2. Step 2: Convert to fraction form
    5,375.90/8,063.46 = 1,677.77/x
  3. Step 3: Cross multiply
    5,375.90x = 8,063.46 × 1,677.77
  4. Step 4: Simplify right side
    5,375.90x = 13,528,631.28
  5. Step 5: Solve for x
    x = 13,528,631.28/5,375.90
  6. Step 6: Final answer
    x = 2,516.53

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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.