Home / 5,352.55-8,028.85-1,889.80

Finding the Fourth Proportional to 5,352.55, 8,028.85 and 1,889.80

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Solution

The fourth proportional to 5,352.55, 8,028.85 and 1,889.80 is: 2,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.55 : 8,028.85 = 1,889.80 : x
  2. Step 2: Convert to fraction form
    5,352.55/8,028.85 = 1,889.80/x
  3. Step 3: Cross multiply
    5,352.55x = 8,028.85 × 1,889.80
  4. Step 4: Simplify right side
    5,352.55x = 15,172,920.73
  5. Step 5: Solve for x
    x = 15,172,920.73/5,352.55
  6. Step 6: Final answer
    x = 2,834.71

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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.