Home / 6,403.68-9,611.46-3,285.99

Finding the Fourth Proportional to 6,403.68, 9,611.46 and 3,285.99

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Solution

The fourth proportional to 6,403.68, 9,611.46 and 3,285.99 is: 4,932.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.68 : 9,611.46 = 3,285.99 : x
  2. Step 2: Convert to fraction form
    6,403.68/9,611.46 = 3,285.99/x
  3. Step 3: Cross multiply
    6,403.68x = 9,611.46 × 3,285.99
  4. Step 4: Simplify right side
    6,403.68x = 31,583,161.45
  5. Step 5: Solve for x
    x = 31,583,161.45/6,403.68
  6. Step 6: Final answer
    x = 4,932.03

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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.