Home / 5,630.21-8,444.04-2,120.58

Finding the Fourth Proportional to 5,630.21, 8,444.04 and 2,120.58

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Solution

The fourth proportional to 5,630.21, 8,444.04 and 2,120.58 is: 3,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.21 : 8,444.04 = 2,120.58 : x
  2. Step 2: Convert to fraction form
    5,630.21/8,444.04 = 2,120.58/x
  3. Step 3: Cross multiply
    5,630.21x = 8,444.04 × 2,120.58
  4. Step 4: Simplify right side
    5,630.21x = 17,906,286.06
  5. Step 5: Solve for x
    x = 17,906,286.06/5,630.21
  6. Step 6: Final answer
    x = 3,180.39

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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.