Home / 7,540.72-10,406.22-4,183.60

Finding the Fourth Proportional to 7,540.72, 10,406.22 and 4,183.60

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Solution

The fourth proportional to 7,540.72, 10,406.22 and 4,183.60 is: 5,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.72 : 10,406.22 = 4,183.60 : x
  2. Step 2: Convert to fraction form
    7,540.72/10,406.22 = 4,183.60/x
  3. Step 3: Cross multiply
    7,540.72x = 10,406.22 × 4,183.60
  4. Step 4: Simplify right side
    7,540.72x = 43,535,461.99
  5. Step 5: Solve for x
    x = 43,535,461.99/7,540.72
  6. Step 6: Final answer
    x = 5,773.38

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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.