Home / 5,627.30-8,434.20-3,282.80

Finding the Fourth Proportional to 5,627.30, 8,434.20 and 3,282.80

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Solution

The fourth proportional to 5,627.30, 8,434.20 and 3,282.80 is: 4,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.30 : 8,434.20 = 3,282.80 : x
  2. Step 2: Convert to fraction form
    5,627.30/8,434.20 = 3,282.80/x
  3. Step 3: Cross multiply
    5,627.30x = 8,434.20 × 3,282.80
  4. Step 4: Simplify right side
    5,627.30x = 27,687,791.76
  5. Step 5: Solve for x
    x = 27,687,791.76/5,627.30
  6. Step 6: Final answer
    x = 4,920.26

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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.