Home / 4,239.62-6,359.42-1,642.55

Finding the Fourth Proportional to 4,239.62, 6,359.42 and 1,642.55

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Solution

The fourth proportional to 4,239.62, 6,359.42 and 1,642.55 is: 2,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.62 : 6,359.42 = 1,642.55 : x
  2. Step 2: Convert to fraction form
    4,239.62/6,359.42 = 1,642.55/x
  3. Step 3: Cross multiply
    4,239.62x = 6,359.42 × 1,642.55
  4. Step 4: Simplify right side
    4,239.62x = 10,445,625.31
  5. Step 5: Solve for x
    x = 10,445,625.31/4,239.62
  6. Step 6: Final answer
    x = 2,463.81

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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.