Home / 5,491.15-7,578.33-3,133.64

Finding the Fourth Proportional to 5,491.15, 7,578.33 and 3,133.64

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Solution

The fourth proportional to 5,491.15, 7,578.33 and 3,133.64 is: 4,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.15 : 7,578.33 = 3,133.64 : x
  2. Step 2: Convert to fraction form
    5,491.15/7,578.33 = 3,133.64/x
  3. Step 3: Cross multiply
    5,491.15x = 7,578.33 × 3,133.64
  4. Step 4: Simplify right side
    5,491.15x = 23,747,765.22
  5. Step 5: Solve for x
    x = 23,747,765.22/5,491.15
  6. Step 6: Final answer
    x = 4,324.74

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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.