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Finding the Fourth Proportional to 8,589.85, 12,885.38 and 2,350.32

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Solution

The fourth proportional to 8,589.85, 12,885.38 and 2,350.32 is: 3,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.85 : 12,885.38 = 2,350.32 : x
  2. Step 2: Convert to fraction form
    8,589.85/12,885.38 = 2,350.32/x
  3. Step 3: Cross multiply
    8,589.85x = 12,885.38 × 2,350.32
  4. Step 4: Simplify right side
    8,589.85x = 30,284,715.06
  5. Step 5: Solve for x
    x = 30,284,715.06/8,589.85
  6. Step 6: Final answer
    x = 3,525.64

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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.