Home / 4,239.36-6,356.64-1,739.85

Finding the Fourth Proportional to 4,239.36, 6,356.64 and 1,739.85

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Solution

The fourth proportional to 4,239.36, 6,356.64 and 1,739.85 is: 2,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.36 : 6,356.64 = 1,739.85 : x
  2. Step 2: Convert to fraction form
    4,239.36/6,356.64 = 1,739.85/x
  3. Step 3: Cross multiply
    4,239.36x = 6,356.64 × 1,739.85
  4. Step 4: Simplify right side
    4,239.36x = 11,059,600.10
  5. Step 5: Solve for x
    x = 11,059,600.10/4,239.36
  6. Step 6: Final answer
    x = 2,608.79

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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.