Home / 6,619.14-9,132.69-3,964.66

Finding the Fourth Proportional to 6,619.14, 9,132.69 and 3,964.66

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Solution

The fourth proportional to 6,619.14, 9,132.69 and 3,964.66 is: 5,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.14 : 9,132.69 = 3,964.66 : x
  2. Step 2: Convert to fraction form
    6,619.14/9,132.69 = 3,964.66/x
  3. Step 3: Cross multiply
    6,619.14x = 9,132.69 × 3,964.66
  4. Step 4: Simplify right side
    6,619.14x = 36,208,010.74
  5. Step 5: Solve for x
    x = 36,208,010.74/6,619.14
  6. Step 6: Final answer
    x = 5,470.20

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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.