Home / 5,239.78-7,849.40-3,043.92

Finding the Fourth Proportional to 5,239.78, 7,849.40 and 3,043.92

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Solution

The fourth proportional to 5,239.78, 7,849.40 and 3,043.92 is: 4,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.78 : 7,849.40 = 3,043.92 : x
  2. Step 2: Convert to fraction form
    5,239.78/7,849.40 = 3,043.92/x
  3. Step 3: Cross multiply
    5,239.78x = 7,849.40 × 3,043.92
  4. Step 4: Simplify right side
    5,239.78x = 23,892,945.65
  5. Step 5: Solve for x
    x = 23,892,945.65/5,239.78
  6. Step 6: Final answer
    x = 4,559.91

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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.