Home / 6,530.86-9,796.76-3,240.64

Finding the Fourth Proportional to 6,530.86, 9,796.76 and 3,240.64

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Solution

The fourth proportional to 6,530.86, 9,796.76 and 3,240.64 is: 4,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.86 : 9,796.76 = 3,240.64 : x
  2. Step 2: Convert to fraction form
    6,530.86/9,796.76 = 3,240.64/x
  3. Step 3: Cross multiply
    6,530.86x = 9,796.76 × 3,240.64
  4. Step 4: Simplify right side
    6,530.86x = 31,747,772.33
  5. Step 5: Solve for x
    x = 31,747,772.33/6,530.86
  6. Step 6: Final answer
    x = 4,861.19

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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.