Home / 6,478.97-9,696.56-4,015.86

Finding the Fourth Proportional to 6,478.97, 9,696.56 and 4,015.86

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Solution

The fourth proportional to 6,478.97, 9,696.56 and 4,015.86 is: 6,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.97 : 9,696.56 = 4,015.86 : x
  2. Step 2: Convert to fraction form
    6,478.97/9,696.56 = 4,015.86/x
  3. Step 3: Cross multiply
    6,478.97x = 9,696.56 × 4,015.86
  4. Step 4: Simplify right side
    6,478.97x = 38,940,007.36
  5. Step 5: Solve for x
    x = 38,940,007.36/6,478.97
  6. Step 6: Final answer
    x = 6,010.22

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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.