Home / 5,180.13-7,765.97-2,408.54

Finding the Fourth Proportional to 5,180.13, 7,765.97 and 2,408.54

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Solution

The fourth proportional to 5,180.13, 7,765.97 and 2,408.54 is: 3,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.13 : 7,765.97 = 2,408.54 : x
  2. Step 2: Convert to fraction form
    5,180.13/7,765.97 = 2,408.54/x
  3. Step 3: Cross multiply
    5,180.13x = 7,765.97 × 2,408.54
  4. Step 4: Simplify right side
    5,180.13x = 18,704,598.51
  5. Step 5: Solve for x
    x = 18,704,598.51/5,180.13
  6. Step 6: Final answer
    x = 3,610.84

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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.