Home / 5,627.58-7,766.21-3,109.73

Finding the Fourth Proportional to 5,627.58, 7,766.21 and 3,109.73

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Solution

The fourth proportional to 5,627.58, 7,766.21 and 3,109.73 is: 4,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.58 : 7,766.21 = 3,109.73 : x
  2. Step 2: Convert to fraction form
    5,627.58/7,766.21 = 3,109.73/x
  3. Step 3: Cross multiply
    5,627.58x = 7,766.21 × 3,109.73
  4. Step 4: Simplify right side
    5,627.58x = 24,150,761.84
  5. Step 5: Solve for x
    x = 24,150,761.84/5,627.58
  6. Step 6: Final answer
    x = 4,291.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.