Home / 5,076.12-7,617.24-1,791.68

Finding the Fourth Proportional to 5,076.12, 7,617.24 and 1,791.68

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Solution

The fourth proportional to 5,076.12, 7,617.24 and 1,791.68 is: 2,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.12 : 7,617.24 = 1,791.68 : x
  2. Step 2: Convert to fraction form
    5,076.12/7,617.24 = 1,791.68/x
  3. Step 3: Cross multiply
    5,076.12x = 7,617.24 × 1,791.68
  4. Step 4: Simplify right side
    5,076.12x = 13,647,656.56
  5. Step 5: Solve for x
    x = 13,647,656.56/5,076.12
  6. Step 6: Final answer
    x = 2,688.60

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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.