Home / 6,440.00-9,646.47-3,310.47

Finding the Fourth Proportional to 6,440.00, 9,646.47 and 3,310.47

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Solution

The fourth proportional to 6,440.00, 9,646.47 and 3,310.47 is: 4,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.00 : 9,646.47 = 3,310.47 : x
  2. Step 2: Convert to fraction form
    6,440.00/9,646.47 = 3,310.47/x
  3. Step 3: Cross multiply
    6,440.00x = 9,646.47 × 3,310.47
  4. Step 4: Simplify right side
    6,440.00x = 31,934,349.54
  5. Step 5: Solve for x
    x = 31,934,349.54/6,440.00
  6. Step 6: Final answer
    x = 4,958.75

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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.