Home / 5,454.87-8,183.52-1,559.58

Finding the Fourth Proportional to 5,454.87, 8,183.52 and 1,559.58

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Solution

The fourth proportional to 5,454.87, 8,183.52 and 1,559.58 is: 2,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.87 : 8,183.52 = 1,559.58 : x
  2. Step 2: Convert to fraction form
    5,454.87/8,183.52 = 1,559.58/x
  3. Step 3: Cross multiply
    5,454.87x = 8,183.52 × 1,559.58
  4. Step 4: Simplify right side
    5,454.87x = 12,762,854.12
  5. Step 5: Solve for x
    x = 12,762,854.12/5,454.87
  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.