Home / 4,252.58-6,379.43-1,479.47

Finding the Fourth Proportional to 4,252.58, 6,379.43 and 1,479.47

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Solution

The fourth proportional to 4,252.58, 6,379.43 and 1,479.47 is: 2,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.58 : 6,379.43 = 1,479.47 : x
  2. Step 2: Convert to fraction form
    4,252.58/6,379.43 = 1,479.47/x
  3. Step 3: Cross multiply
    4,252.58x = 6,379.43 × 1,479.47
  4. Step 4: Simplify right side
    4,252.58x = 9,438,147.10
  5. Step 5: Solve for x
    x = 9,438,147.10/4,252.58
  6. Step 6: Final answer
    x = 2,219.39

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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.