Home / 6,405.48-9,601.20-2,505.60

Finding the Fourth Proportional to 6,405.48, 9,601.20 and 2,505.60

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Solution

The fourth proportional to 6,405.48, 9,601.20 and 2,505.60 is: 3,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.48 : 9,601.20 = 2,505.60 : x
  2. Step 2: Convert to fraction form
    6,405.48/9,601.20 = 2,505.60/x
  3. Step 3: Cross multiply
    6,405.48x = 9,601.20 × 2,505.60
  4. Step 4: Simplify right side
    6,405.48x = 24,056,766.72
  5. Step 5: Solve for x
    x = 24,056,766.72/6,405.48
  6. Step 6: Final answer
    x = 3,755.65

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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.