Home / 4,447.08-6,669-1,979.52

Finding the Fourth Proportional to 4,447.08, 6,669 and 1,979.52

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Solution

The fourth proportional to 4,447.08, 6,669 and 1,979.52 is: 2,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.08 : 6,669 = 1,979.52 : x
  2. Step 2: Convert to fraction form
    4,447.08/6,669 = 1,979.52/x
  3. Step 3: Cross multiply
    4,447.08x = 6,669 × 1,979.52
  4. Step 4: Simplify right side
    4,447.08x = 13,201,418.88
  5. Step 5: Solve for x
    x = 13,201,418.88/4,447.08
  6. Step 6: Final answer
    x = 2,968.56

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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.