Home / 5,765.39-8,648.37-2,806.55

Finding the Fourth Proportional to 5,765.39, 8,648.37 and 2,806.55

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Solution

The fourth proportional to 5,765.39, 8,648.37 and 2,806.55 is: 4,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.39 : 8,648.37 = 2,806.55 : x
  2. Step 2: Convert to fraction form
    5,765.39/8,648.37 = 2,806.55/x
  3. Step 3: Cross multiply
    5,765.39x = 8,648.37 × 2,806.55
  4. Step 4: Simplify right side
    5,765.39x = 24,272,039.58
  5. Step 5: Solve for x
    x = 24,272,039.58/5,765.39
  6. Step 6: Final answer
    x = 4,209.96

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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.