Home / 5,289.94-7,935.80-1,826.38

Finding the Fourth Proportional to 5,289.94, 7,935.80 and 1,826.38

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Solution

The fourth proportional to 5,289.94, 7,935.80 and 1,826.38 is: 2,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.94 : 7,935.80 = 1,826.38 : x
  2. Step 2: Convert to fraction form
    5,289.94/7,935.80 = 1,826.38/x
  3. Step 3: Cross multiply
    5,289.94x = 7,935.80 × 1,826.38
  4. Step 4: Simplify right side
    5,289.94x = 14,493,786.40
  5. Step 5: Solve for x
    x = 14,493,786.40/5,289.94
  6. Step 6: Final answer
    x = 2,739.88

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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.