Home / 5,845.20-8,765.10-2,556.60

Finding the Fourth Proportional to 5,845.20, 8,765.10 and 2,556.60

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Solution

The fourth proportional to 5,845.20, 8,765.10 and 2,556.60 is: 3,833.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.20 : 8,765.10 = 2,556.60 : x
  2. Step 2: Convert to fraction form
    5,845.20/8,765.10 = 2,556.60/x
  3. Step 3: Cross multiply
    5,845.20x = 8,765.10 × 2,556.60
  4. Step 4: Simplify right side
    5,845.20x = 22,408,854.66
  5. Step 5: Solve for x
    x = 22,408,854.66/5,845.20
  6. Step 6: Final answer
    x = 3,833.72

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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.