Home / 4,447.62-6,675.21-2,988.54

Finding the Fourth Proportional to 4,447.62, 6,675.21 and 2,988.54

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Solution

The fourth proportional to 4,447.62, 6,675.21 and 2,988.54 is: 4,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.62 : 6,675.21 = 2,988.54 : x
  2. Step 2: Convert to fraction form
    4,447.62/6,675.21 = 2,988.54/x
  3. Step 3: Cross multiply
    4,447.62x = 6,675.21 × 2,988.54
  4. Step 4: Simplify right side
    4,447.62x = 19,949,132.09
  5. Step 5: Solve for x
    x = 19,949,132.09/4,447.62
  6. Step 6: Final answer
    x = 4,485.35

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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.