Home / 5,469.68-8,205.54-1,771.58

Finding the Fourth Proportional to 5,469.68, 8,205.54 and 1,771.58

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Solution

The fourth proportional to 5,469.68, 8,205.54 and 1,771.58 is: 2,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.68 : 8,205.54 = 1,771.58 : x
  2. Step 2: Convert to fraction form
    5,469.68/8,205.54 = 1,771.58/x
  3. Step 3: Cross multiply
    5,469.68x = 8,205.54 × 1,771.58
  4. Step 4: Simplify right side
    5,469.68x = 14,536,770.55
  5. Step 5: Solve for x
    x = 14,536,770.55/5,469.68
  6. Step 6: Final answer
    x = 2,657.70

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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.