Home / 4,230.45-5,843.58-3,247.86

Finding the Fourth Proportional to 4,230.45, 5,843.58 and 3,247.86

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Solution

The fourth proportional to 4,230.45, 5,843.58 and 3,247.86 is: 4,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.45 : 5,843.58 = 3,247.86 : x
  2. Step 2: Convert to fraction form
    4,230.45/5,843.58 = 3,247.86/x
  3. Step 3: Cross multiply
    4,230.45x = 5,843.58 × 3,247.86
  4. Step 4: Simplify right side
    4,230.45x = 18,979,129.74
  5. Step 5: Solve for x
    x = 18,979,129.74/4,230.45
  6. Step 6: Final answer
    x = 4,486.31

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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.