Home / 5,454.97-8,182.41-1,559.40

Finding the Fourth Proportional to 5,454.97, 8,182.41 and 1,559.40

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Solution

The fourth proportional to 5,454.97, 8,182.41 and 1,559.40 is: 2,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.97 : 8,182.41 = 1,559.40 : x
  2. Step 2: Convert to fraction form
    5,454.97/8,182.41 = 1,559.40/x
  3. Step 3: Cross multiply
    5,454.97x = 8,182.41 × 1,559.40
  4. Step 4: Simplify right side
    5,454.97x = 12,759,650.15
  5. Step 5: Solve for x
    x = 12,759,650.15/5,454.97
  6. Step 6: Final answer
    x = 2,339.09

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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.