Home / 5,630.21-8,445.68-2,167.46

Finding the Fourth Proportional to 5,630.21, 8,445.68 and 2,167.46

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Solution

The fourth proportional to 5,630.21, 8,445.68 and 2,167.46 is: 3,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.21 : 8,445.68 = 2,167.46 : x
  2. Step 2: Convert to fraction form
    5,630.21/8,445.68 = 2,167.46/x
  3. Step 3: Cross multiply
    5,630.21x = 8,445.68 × 2,167.46
  4. Step 4: Simplify right side
    5,630.21x = 18,305,673.57
  5. Step 5: Solve for x
    x = 18,305,673.57/5,630.21
  6. Step 6: Final answer
    x = 3,251.33

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1.5x scale

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.