Home / 5,179.44-7,151.31-3,190.62

Finding the Fourth Proportional to 5,179.44, 7,151.31 and 3,190.62

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Solution

The fourth proportional to 5,179.44, 7,151.31 and 3,190.62 is: 4,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.44 : 7,151.31 = 3,190.62 : x
  2. Step 2: Convert to fraction form
    5,179.44/7,151.31 = 3,190.62/x
  3. Step 3: Cross multiply
    5,179.44x = 7,151.31 × 3,190.62
  4. Step 4: Simplify right side
    5,179.44x = 22,817,112.71
  5. Step 5: Solve for x
    x = 22,817,112.71/5,179.44
  6. Step 6: Final answer
    x = 4,405.32

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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.