Home / 4,380.37-6,563.80-2,156.65

Finding the Fourth Proportional to 4,380.37, 6,563.80 and 2,156.65

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Solution

The fourth proportional to 4,380.37, 6,563.80 and 2,156.65 is: 3,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.37 : 6,563.80 = 2,156.65 : x
  2. Step 2: Convert to fraction form
    4,380.37/6,563.80 = 2,156.65/x
  3. Step 3: Cross multiply
    4,380.37x = 6,563.80 × 2,156.65
  4. Step 4: Simplify right side
    4,380.37x = 14,155,819.27
  5. Step 5: Solve for x
    x = 14,155,819.27/4,380.37
  6. Step 6: Final answer
    x = 3,231.65

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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.