Home / 5,818.08-8,021.54-3,770.37

Finding the Fourth Proportional to 5,818.08, 8,021.54 and 3,770.37

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Solution

The fourth proportional to 5,818.08, 8,021.54 and 3,770.37 is: 5,198.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.08 : 8,021.54 = 3,770.37 : x
  2. Step 2: Convert to fraction form
    5,818.08/8,021.54 = 3,770.37/x
  3. Step 3: Cross multiply
    5,818.08x = 8,021.54 × 3,770.37
  4. Step 4: Simplify right side
    5,818.08x = 30,244,154.92
  5. Step 5: Solve for x
    x = 30,244,154.92/5,818.08
  6. Step 6: Final answer
    x = 5,198.31

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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.