Home / 5,277.45-7,917.19-1,579.36

Finding the Fourth Proportional to 5,277.45, 7,917.19 and 1,579.36

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Solution

The fourth proportional to 5,277.45, 7,917.19 and 1,579.36 is: 2,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.45 : 7,917.19 = 1,579.36 : x
  2. Step 2: Convert to fraction form
    5,277.45/7,917.19 = 1,579.36/x
  3. Step 3: Cross multiply
    5,277.45x = 7,917.19 × 1,579.36
  4. Step 4: Simplify right side
    5,277.45x = 12,504,053.61
  5. Step 5: Solve for x
    x = 12,504,053.61/5,277.45
  6. Step 6: Final answer
    x = 2,369.34

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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.