Home / 6,608.47-9,119.97-3,955.36

Finding the Fourth Proportional to 6,608.47, 9,119.97 and 3,955.36

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Solution

The fourth proportional to 6,608.47, 9,119.97 and 3,955.36 is: 5,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.47 : 9,119.97 = 3,955.36 : x
  2. Step 2: Convert to fraction form
    6,608.47/9,119.97 = 3,955.36/x
  3. Step 3: Cross multiply
    6,608.47x = 9,119.97 × 3,955.36
  4. Step 4: Simplify right side
    6,608.47x = 36,072,764.54
  5. Step 5: Solve for x
    x = 36,072,764.54/6,608.47
  6. Step 6: Final answer
    x = 5,458.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.