Home / 5,455.43-8,182.97-1,559.85

Finding the Fourth Proportional to 5,455.43, 8,182.97 and 1,559.85

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Solution

The fourth proportional to 5,455.43, 8,182.97 and 1,559.85 is: 2,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.43 : 8,182.97 = 1,559.85 : x
  2. Step 2: Convert to fraction form
    5,455.43/8,182.97 = 1,559.85/x
  3. Step 3: Cross multiply
    5,455.43x = 8,182.97 × 1,559.85
  4. Step 4: Simplify right side
    5,455.43x = 12,764,205.75
  5. Step 5: Solve for x
    x = 12,764,205.75/5,455.43
  6. Step 6: Final answer
    x = 2,339.72

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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.