Home / 5,179.70-7,150.38-3,054.51

Finding the Fourth Proportional to 5,179.70, 7,150.38 and 3,054.51

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Solution

The fourth proportional to 5,179.70, 7,150.38 and 3,054.51 is: 4,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.70 : 7,150.38 = 3,054.51 : x
  2. Step 2: Convert to fraction form
    5,179.70/7,150.38 = 3,054.51/x
  3. Step 3: Cross multiply
    5,179.70x = 7,150.38 × 3,054.51
  4. Step 4: Simplify right side
    5,179.70x = 21,840,895.76
  5. Step 5: Solve for x
    x = 21,840,895.76/5,179.70
  6. Step 6: Final answer
    x = 4,216.64

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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.