Home / 5,929.52-8,183.87-3,909.39

Finding the Fourth Proportional to 5,929.52, 8,183.87 and 3,909.39

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Solution

The fourth proportional to 5,929.52, 8,183.87 and 3,909.39 is: 5,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.52 : 8,183.87 = 3,909.39 : x
  2. Step 2: Convert to fraction form
    5,929.52/8,183.87 = 3,909.39/x
  3. Step 3: Cross multiply
    5,929.52x = 8,183.87 × 3,909.39
  4. Step 4: Simplify right side
    5,929.52x = 31,993,939.54
  5. Step 5: Solve for x
    x = 31,993,939.54/5,929.52
  6. Step 6: Final answer
    x = 5,395.70

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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.