Home / 5,884.50-8,120.64-3,788.70

Finding the Fourth Proportional to 5,884.50, 8,120.64 and 3,788.70

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Solution

The fourth proportional to 5,884.50, 8,120.64 and 3,788.70 is: 5,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.50 : 8,120.64 = 3,788.70 : x
  2. Step 2: Convert to fraction form
    5,884.50/8,120.64 = 3,788.70/x
  3. Step 3: Cross multiply
    5,884.50x = 8,120.64 × 3,788.70
  4. Step 4: Simplify right side
    5,884.50x = 30,766,668.77
  5. Step 5: Solve for x
    x = 30,766,668.77/5,884.50
  6. Step 6: Final answer
    x = 5,228.43

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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.