Home / 4,239.75-6,359.52-1,899.21

Finding the Fourth Proportional to 4,239.75, 6,359.52 and 1,899.21

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Solution

The fourth proportional to 4,239.75, 6,359.52 and 1,899.21 is: 2,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.75 : 6,359.52 = 1,899.21 : x
  2. Step 2: Convert to fraction form
    4,239.75/6,359.52 = 1,899.21/x
  3. Step 3: Cross multiply
    4,239.75x = 6,359.52 × 1,899.21
  4. Step 4: Simplify right side
    4,239.75x = 12,078,063.98
  5. Step 5: Solve for x
    x = 12,078,063.98/4,239.75
  6. Step 6: Final answer
    x = 2,848.77

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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.