Home / 7,115.19-10,670.43-3,366.60

Finding the Fourth Proportional to 7,115.19, 10,670.43 and 3,366.60

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Solution

The fourth proportional to 7,115.19, 10,670.43 and 3,366.60 is: 5,048.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.19 : 10,670.43 = 3,366.60 : x
  2. Step 2: Convert to fraction form
    7,115.19/10,670.43 = 3,366.60/x
  3. Step 3: Cross multiply
    7,115.19x = 10,670.43 × 3,366.60
  4. Step 4: Simplify right side
    7,115.19x = 35,923,069.64
  5. Step 5: Solve for x
    x = 35,923,069.64/7,115.19
  6. Step 6: Final answer
    x = 5,048.79

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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.