Home / 8,589.98-12,884.34-2,745.02

Finding the Fourth Proportional to 8,589.98, 12,884.34 and 2,745.02

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Solution

The fourth proportional to 8,589.98, 12,884.34 and 2,745.02 is: 4,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.98 : 12,884.34 = 2,745.02 : x
  2. Step 2: Convert to fraction form
    8,589.98/12,884.34 = 2,745.02/x
  3. Step 3: Cross multiply
    8,589.98x = 12,884.34 × 2,745.02
  4. Step 4: Simplify right side
    8,589.98x = 35,367,770.99
  5. Step 5: Solve for x
    x = 35,367,770.99/8,589.98
  6. Step 6: Final answer
    x = 4,117.33

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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.