Home / 6,359.31-9,539.39-2,199.72

Finding the Fourth Proportional to 6,359.31, 9,539.39 and 2,199.72

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Solution

The fourth proportional to 6,359.31, 9,539.39 and 2,199.72 is: 3,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.31 : 9,539.39 = 2,199.72 : x
  2. Step 2: Convert to fraction form
    6,359.31/9,539.39 = 2,199.72/x
  3. Step 3: Cross multiply
    6,359.31x = 9,539.39 × 2,199.72
  4. Step 4: Simplify right side
    6,359.31x = 20,983,975.97
  5. Step 5: Solve for x
    x = 20,983,975.97/6,359.31
  6. Step 6: Final answer
    x = 3,299.73

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1.5x scale

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.